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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