139552664 has 16 divisors (see below), whose sum is σ = 263545800. Its totient is φ = 69273792.

The previous prime is 139552619. The next prime is 139552681. The reversal of 139552664 is 466255931.

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, 61637 + ... + 63860.

Almost surely, 2^139552664 is an apocalyptic number.

It is an amenable number.

139552664 is a deficient number, since it is larger than the sum of its proper divisors (123993136).

139552664 is a wasteful number, since it uses less digits than its factorization.

139552664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125642 (or 125638 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 139552664 is about 11813.2410455387. The cubic root of 139552664 is about 518.6957749678.

The spelling of 139552664 in words is "one hundred thirty-nine million, five hundred fifty-two thousand, six hundred sixty-four".