137809328832 has 112 divisors (see below), whose sum is σ = 463010219520. Its totient is φ = 39374090496.

The previous prime is 137809328831. The next prime is 137809328837. The reversal of 137809328832 is 238823908731.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×137809328832² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (137809328831) 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, 5684388 + ... + 5708579.

Almost surely, 2^137809328832 is an apocalyptic number.

137809328832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137809328832 is an abundant number, since it is smaller than the sum of its proper divisors (325200890688).

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

137809328832 is a wasteful number, since it uses less digits than its factorization.

137809328832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11392995 (or 11392979 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 137809328832 in words is "one hundred thirty-seven billion, eight hundred nine million, three hundred twenty-eight thousand, eight hundred thirty-two".