137645156 has 24 divisors (see below), whose sum is σ = 274204224. Its totient is φ = 59845280.

The previous prime is 137645149. The next prime is 137645191. The reversal of 137645156 is 651546731.

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, 66995 + ... + 69018.

It is an arithmetic number, because the mean of its divisors is an integer number (11425176).

Almost surely, 2^137645156 is an apocalyptic number.

It is an amenable number.

137645156 is a deficient number, since it is larger than the sum of its proper divisors (136559068).

137645156 is a wasteful number, since it uses less digits than its factorization.

137645156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136051 (or 136049 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 137645156 is about 11732.2272395313. The cubic root of 137645156 is about 516.3216200980.

The spelling of 137645156 in words is "one hundred thirty-seven million, six hundred forty-five thousand, one hundred fifty-six".