139086264 has 16 divisors (see below), whose sum is σ = 347715720. Its totient is φ = 46362080.

The previous prime is 139086247. The next prime is 139086271. The reversal of 139086264 is 462680931.

It is a congruent number.

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, 2897607 + ... + 2897654.

Almost surely, 2^139086264 is an apocalyptic number.

It is an amenable number.

139086264 is an abundant number, since it is smaller than the sum of its proper divisors (208629456).

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

139086264 is a wasteful number, since it uses less digits than its factorization.

139086264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795270 (or 5795266 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 139086264 is about 11793.4839636131. The cubic root of 139086264 is about 518.1172843554.

The spelling of 139086264 in words is "one hundred thirty-nine million, eighty-six thousand, two hundred sixty-four".