137512649764 has 24 divisors (see below), whose sum is σ = 278898899328. Its totient is φ = 58103935680.

The previous prime is 137512649759. The next prime is 137512649797. The reversal of 137512649764 is 467946215731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34583689 + ... + 34587664.

It is an arithmetic number, because the mean of its divisors is an integer number (11620787472).

Almost surely, 2^137512649764 is an apocalyptic number.

137512649764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

137512649764 is an abundant number, since it is smaller than the sum of its proper divisors (141386249564).

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

137512649764 is a wasteful number, since it uses less digits than its factorization.

137512649764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69171435 (or 69171433 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 55.

The spelling of 137512649764 in words is "one hundred thirty-seven billion, five hundred twelve million, six hundred forty-nine thousand, seven hundred sixty-four".