137197656 has 48 divisors (see below), whose sum is σ = 377886600. Its totient is φ = 44956032.

The previous prime is 137197609. The next prime is 137197657. The reversal of 137197656 is 656791731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137197657) 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, 11901 + ... + 20396.

Almost surely, 2^137197656 is an apocalyptic number.

It is an amenable number.

137197656 is an abundant number, since it is smaller than the sum of its proper divisors (240688944).

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

137197656 is a wasteful number, since it uses less digits than its factorization.

137197656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32368 (or 32361 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 137197656 is about 11713.1403133404. The cubic root of 137197656 is about 515.7614725923.

The spelling of 137197656 in words is "one hundred thirty-seven million, one hundred ninety-seven thousand, six hundred fifty-six".