137257330 has 96 divisors (see below), whose sum is σ = 316172160. Its totient is φ = 42577920.

The previous prime is 137257327. The next prime is 137257361. The reversal of 137257330 is 33752731.

It is a junction number, because it is equal to n+sod(n) for n = 137257292 and 137257301.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 213810 + ... + 214450.

It is an arithmetic number, because the mean of its divisors is an integer number (3293460).

Almost surely, 2^137257330 is an apocalyptic number.

137257330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137257330 is an abundant number, since it is smaller than the sum of its proper divisors (178914830).

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

137257330 is a wasteful number, since it uses less digits than its factorization.

137257330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 31.

The square root of 137257330 is about 11715.6873464599. The cubic root of 137257330 is about 515.8362384201.

The spelling of 137257330 in words is "one hundred thirty-seven million, two hundred fifty-seven thousand, three hundred thirty".