137506851 has 12 divisors (see below), whose sum is σ = 198725800. Its totient is φ = 91622880.

The previous prime is 137506843. The next prime is 137506861. The reversal of 137506851 is 158605731.

It is not a de Polignac number, because 137506851 - 2³ = 137506843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137506841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24936 + ... + 29946.

Almost surely, 2^137506851 is an apocalyptic number.

137506851 is a deficient number, since it is larger than the sum of its proper divisors (61218949).

137506851 is a wasteful number, since it uses less digits than its factorization.

137506851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8066 (or 8063 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 137506851 is about 11726.3315235414. The cubic root of 137506851 is about 516.1486298901.

The spelling of 137506851 in words is "one hundred thirty-seven million, five hundred six thousand, eight hundred fifty-one".