139990304 has 24 divisors (see below), whose sum is σ = 275874480. Its totient is φ = 69926976.

The previous prime is 139990297. The next prime is 139990307. The reversal of 139990304 is 403099931.

It is not an unprimeable number, because it can be changed into a prime (139990307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53867 + ... + 56405.

It is an arithmetic number, because the mean of its divisors is an integer number (11494770).

Almost surely, 2^139990304 is an apocalyptic number.

It is an amenable number.

139990304 is a deficient number, since it is larger than the sum of its proper divisors (135884176).

139990304 is a wasteful number, since it uses less digits than its factorization.

139990304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272 (or 4264 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 139990304 is about 11831.7498283221. The cubic root of 139990304 is about 519.2374226648.

The spelling of 139990304 in words is "one hundred thirty-nine million, nine hundred ninety thousand, three hundred four".