139768264 has 16 divisors (see below), whose sum is σ = 262512000. Its totient is φ = 69765072.

The previous prime is 139768249. The next prime is 139768273. The reversal of 139768264 is 462867931.

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, 9792 + ... + 19375.

It is an arithmetic number, because the mean of its divisors is an integer number (16407000).

Almost surely, 2^139768264 is an apocalyptic number.

It is an amenable number.

139768264 is a deficient number, since it is larger than the sum of its proper divisors (122743736).

139768264 is a wasteful number, since it uses less digits than its factorization.

139768264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29772 (or 29768 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 139768264 is about 11822.3628771917. The cubic root of 139768264 is about 518.9627548658.

The spelling of 139768264 in words is "one hundred thirty-nine million, seven hundred sixty-eight thousand, two hundred sixty-four".