139833264 has 20 divisors (see below), whose sum is σ = 361236056. Its totient is φ = 46611072.

The previous prime is 139833263. The next prime is 139833283. The reversal of 139833264 is 462338931.

139833264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (139833263) 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, 1456549 + ... + 1456644.

Almost surely, 2^139833264 is an apocalyptic number.

It is an amenable number.

139833264 is an abundant number, since it is smaller than the sum of its proper divisors (221402792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139833264 is a wasteful number, since it uses less digits than its factorization.

139833264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913204 (or 2913198 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 139833264 is about 11825.1115850972. Note that the first 3 decimals coincide. The cubic root of 139833264 is about 519.0431912259.

The spelling of 139833264 in words is "one hundred thirty-nine million, eight hundred thirty-three thousand, two hundred sixty-four".