137686912 has 32 divisors (see below), whose sum is σ = 299237400. Its totient is φ = 62584320.

The previous prime is 137686907. The next prime is 137686919. The reversal of 137686912 is 219686731.

137686912 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137686919) 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, 47487 + ... + 50302.

Almost surely, 2^137686912 is an apocalyptic number.

It is an amenable number.

137686912 is an abundant number, since it is smaller than the sum of its proper divisors (161550488).

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

137686912 is an equidigital number, since it uses as much as digits as its factorization.

137686912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97814 (or 97802 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 137686912 is about 11734.0066473477. The cubic root of 137686912 is about 516.3738252184.

It can be divided in two parts, 1376 and 86912, that added together give a palindrome (88288).

The spelling of 137686912 in words is "one hundred thirty-seven million, six hundred eighty-six thousand, nine hundred twelve".