139864328 has 16 divisors (see below), whose sum is σ = 262386000. Its totient is φ = 69894736.

The previous prime is 139864273. The next prime is 139864349. The reversal of 139864328 is 823468931.

139864328 is digitally balanced in base 3, 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, 17243 + ... + 24021.

It is an arithmetic number, because the mean of its divisors is an integer number (16399125).

Almost surely, 2^139864328 is an apocalyptic number.

It is an amenable number.

139864328 is a deficient number, since it is larger than the sum of its proper divisors (122521672).

139864328 is a wasteful number, since it uses less digits than its factorization.

139864328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9364 (or 9360 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 139864328 is about 11826.4249881357. The cubic root of 139864328 is about 519.0816235784.

The spelling of 139864328 in words is "one hundred thirty-nine million, eight hundred sixty-four thousand, three hundred twenty-eight".