As different IQ tests were developed, each was given its own scoring system. Therefore, an IQ of 136 is meaningless unless you know the actual test which was used. In order to compare one IQ test against another, the scores are converted to 'percentiles', i.e. where a person's score falls in comparison to the rest of the population by percentage. Mensa offers membership to anyone whose IQ score places them within the top two per cent of the population, no matter which approved test was used.
A top 2% mark in any of these frequently used tests below qualifies you for entry to Mensa. The minimum test mark to get into Mensa is:
Cattell III B - 148 Culture Fair - 132 Ravens Advanced Matrices - 135 Ravens Standard Matrices - 131 Wechsler Scales - 132
Mostly it depends on what test you are tested on, and a score of 136 is high enough to get you accepted into Mensas. However, a 2% mark in the tests provided qualifies you for entry to Mensas. The minimum test mark to get into mensas include Culture fair, where you are require to have 135 marks and Cattell III B, which you need to have 148 marks.