137704731724 has 48 divisors (see below), whose sum is σ = 279268718400. Its totient is φ = 58189833216.

The previous prime is 137704731719. The next prime is 137704731743. The reversal of 137704731724 is 427137407731.

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, 8145072 + ... + 8161960.

It is an arithmetic number, because the mean of its divisors is an integer number (5818098300).

Almost surely, 2^137704731724 is an apocalyptic number.

137704731724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

137704731724 is an abundant number, since it is smaller than the sum of its proper divisors (141563986676).

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

137704731724 is a wasteful number, since it uses less digits than its factorization.

137704731724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20962 (or 20960 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 46.

The spelling of 137704731724 in words is "one hundred thirty-seven billion, seven hundred four million, seven hundred thirty-one thousand, seven hundred twenty-four".