136

This number is a composite.

+ The sum of all prime factors of 136 is equal to the reversal of π(136). [Cramer]

+ 136 is the first sum of squares (a^2 + b^2), where both a and b have more than one prime factor. [Hunter]

+ The smallest Hoax number whose the reversal is prime. [Loungrides]

(There are 4 curios for this number that have not yet been approved by an editor.)

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