137640632 has 16 divisors (see below), whose sum is σ = 258212760. Its totient is φ = 68783904.

The previous prime is 137640593. The next prime is 137640677. The reversal of 137640632 is 236046731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18203 + ... + 24629.

Almost surely, 2^137640632 is an apocalyptic number.

It is an amenable number.

137640632 is a deficient number, since it is larger than the sum of its proper divisors (120572128).

137640632 is a wasteful number, since it uses less digits than its factorization.

137640632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110 (or 9106 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 137640632 is about 11732.0344356808. The cubic root of 137640632 is about 516.3159633676.

The spelling of 137640632 in words is "one hundred thirty-seven million, six hundred forty thousand, six hundred thirty-two".