137512538790 has 64 divisors (see below), whose sum is σ = 381211246080. Its totient is φ = 31375408640.

The previous prime is 137512538777. The next prime is 137512538831. The reversal of 137512538790 is 97835215731.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12250410 + ... + 12261629.

It is an arithmetic number, because the mean of its divisors is an integer number (5956425720).

Almost surely, 2^137512538790 is an apocalyptic number.

137512538790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137512538790 is an abundant number, since it is smaller than the sum of its proper divisors (243698707290).

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

137512538790 is a wasteful number, since it uses less digits than its factorization.

137512538790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24512077.

The product of its (nonzero) digits is 1587600, while the sum is 51.

The spelling of 137512538790 in words is "one hundred thirty-seven billion, five hundred twelve million, five hundred thirty-eight thousand, seven hundred ninety".