137212568 has 16 divisors (see below), whose sum is σ = 263549160. Its totient is φ = 66932800.

The previous prime is 137212553. The next prime is 137212573. The reversal of 137212568 is 865212731.

It is a happy number.

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, 208838 + ... + 209493.

Almost surely, 2^137212568 is an apocalyptic number.

It is an amenable number.

137212568 is a deficient number, since it is larger than the sum of its proper divisors (126336592).

137212568 is a wasteful number, since it uses less digits than its factorization.

137212568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418378 (or 418374 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 137212568 is about 11713.7768460902. The cubic root of 137212568 is about 515.7801579369.

The spelling of 137212568 in words is "one hundred thirty-seven million, two hundred twelve thousand, five hundred sixty-eight".