137255768 has 64 divisors (see below), whose sum is σ = 285314400. Its totient is φ = 61516800.

The previous prime is 137255759. The next prime is 137255803. The reversal of 137255768 is 867552731.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766703 + ... + 766881.

Almost surely, 2^137255768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137255768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142657200).

137255768 is an abundant number, since it is smaller than the sum of its proper divisors (148058632).

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

137255768 is a wasteful number, since it uses less digits than its factorization.

137255768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 368 counting only the distinct ones).

The product of its digits is 352800, while the sum is 44.

The square root of 137255768 is about 11715.6206835148. The cubic root of 137255768 is about 515.8342816594.

The spelling of 137255768 in words is "one hundred thirty-seven million, two hundred fifty-five thousand, seven hundred sixty-eight".