136437912 has 64 divisors (see below), whose sum is σ = 408156000. Its totient is φ = 41980032.

The previous prime is 136437911. The next prime is 136437919. The reversal of 136437912 is 219734631.

136437912 is a `hidden beast` number, since 1 + 3 + 643 + 7 + 9 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136437911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21487 + ... + 27102.

Almost surely, 2^136437912 is an apocalyptic number.

136437912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136437912 is an abundant number, since it is smaller than the sum of its proper divisors (271718088).

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

136437912 is a wasteful number, since it uses less digits than its factorization.

136437912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48617 (or 48607 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 136437912 is about 11680.6640222207. The cubic root of 136437912 is about 514.8076851293.

The spelling of 136437912 in words is "one hundred thirty-six million, four hundred thirty-seven thousand, nine hundred twelve".