136590492 has 12 divisors (see below), whose sum is σ = 318711176. Its totient is φ = 45530160.

The previous prime is 136590479. The next prime is 136590497. The reversal of 136590492 is 294095631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 136590492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136590497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5691259 + ... + 5691282.

Almost surely, 2^136590492 is an apocalyptic number.

136590492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136590492 is an abundant number, since it is smaller than the sum of its proper divisors (182120684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136590492 is a wasteful number, since it uses less digits than its factorization.

136590492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11382548 (or 11382546 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 136590492 is about 11687.1935040026. The cubic root of 136590492 is about 514.9995186472. Note that the first 3 decimals are identical.

The spelling of 136590492 in words is "one hundred thirty-six million, five hundred ninety thousand, four hundred ninety-two".