137930636 has 12 divisors (see below), whose sum is σ = 243280128. Its totient is φ = 68422032.

The previous prime is 137930621. The next prime is 137930647. The reversal of 137930636 is 636039731.

It is a happy number.

It is a super-3 number, since 3×137930636³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 137930636.

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, 135251 + ... + 136266.

It is an arithmetic number, because the mean of its divisors is an integer number (20273344).

Almost surely, 2^137930636 is an apocalyptic number.

It is an amenable number.

137930636 is a deficient number, since it is larger than the sum of its proper divisors (105349492).

137930636 is a wasteful number, since it uses less digits than its factorization.

137930636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271648 (or 271646 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 137930636 is about 11744.3874254897. The cubic root of 137930636 is about 516.6783288846.

The spelling of 137930636 in words is "one hundred thirty-seven million, nine hundred thirty thousand, six hundred thirty-six".