137304217920 has 112 divisors (see below), whose sum is σ = 450003598848. Its totient is φ = 35433338880.

The previous prime is 137304217909. The next prime is 137304217943. The reversal of 137304217920 is 29712403731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2277099 + ... + 2336618.

Almost surely, 2^137304217920 is an apocalyptic number.

137304217920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137304217920 is an abundant number, since it is smaller than the sum of its proper divisors (312699380928).

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

137304217920 is a wasteful number, since it uses less digits than its factorization.

137304217920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613768 (or 4613758 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The spelling of 137304217920 in words is "one hundred thirty-seven billion, three hundred four million, two hundred seventeen thousand, nine hundred twenty".