139976384 has 28 divisors (see below), whose sum is σ = 278163528. Its totient is φ = 69888000.

The previous prime is 139976371. The next prime is 139976399. The reversal of 139976384 is 483679931.

139976384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 66224 + ... + 68304.

Almost surely, 2^139976384 is an apocalyptic number.

It is an amenable number.

139976384 is a deficient number, since it is larger than the sum of its proper divisors (138187144).

139976384 is a wasteful number, since it uses less digits than its factorization.

139976384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144 (or 3134 counting only the distinct ones).

The product of its digits is 979776, while the sum is 50.

The square root of 139976384 is about 11831.1615659664. The cubic root of 139976384 is about 519.2202118907.

The spelling of 139976384 in words is "one hundred thirty-nine million, nine hundred seventy-six thousand, three hundred eighty-four".