137374860728 has 32 divisors (see below), whose sum is σ = 295005110400. Its totient is φ = 58748858592.

The previous prime is 137374860709. The next prime is 137374860731. The reversal of 137374860728 is 827068473731.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

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, 2600318 + ... + 2652621.

It is an arithmetic number, because the mean of its divisors is an integer number (9218909700).

Almost surely, 2^137374860728 is an apocalyptic number.

It is an amenable number.

137374860728 is an abundant number, since it is smaller than the sum of its proper divisors (157630249672).

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

137374860728 is a wasteful number, since it uses less digits than its factorization.

137374860728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5253419 (or 5253415 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 56.

The spelling of 137374860728 in words is "one hundred thirty-seven billion, three hundred seventy-four million, eight hundred sixty thousand, seven hundred twenty-eight".