139044264 has 16 divisors (see below), whose sum is σ = 347610720. Its totient is φ = 46348080.

The previous prime is 139044259. The next prime is 139044271. The reversal of 139044264 is 462440931.

139044264 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2896732 + ... + 2896779.

It is an arithmetic number, because the mean of its divisors is an integer number (21725670).

Almost surely, 2^139044264 is an apocalyptic number.

It is an amenable number.

139044264 is an abundant number, since it is smaller than the sum of its proper divisors (208566456).

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

139044264 is a wasteful number, since it uses less digits than its factorization.

139044264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5793520 (or 5793516 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 139044264 is about 11791.7031848669. The cubic root of 139044264 is about 518.0651269962.

It can be divided in two parts, 1390 and 44264, that added together give a palindrome (45654).

The spelling of 139044264 in words is "one hundred thirty-nine million, forty-four thousand, two hundred sixty-four".