139307792 has 40 divisors (see below), whose sum is σ = 307777176. Its totient is φ = 60512256.

The previous prime is 139307771. The next prime is 139307891. The reversal of 139307792 is 297703931.

It can be written as a sum of positive squares in 4 ways, for example, as 27709696 + 111598096 = 5264^2 + 10564^2 .

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 7 ways as a sum of consecutive naturals, for example, 16163 + ... + 23234.

Almost surely, 2^139307792 is an apocalyptic number.

It is an amenable number.

139307792 is an abundant number, since it is smaller than the sum of its proper divisors (168469384).

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

139307792 is a wasteful number, since it uses less digits than its factorization.

139307792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39435 (or 39429 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 139307792 is about 11802.8721928182. The cubic root of 139307792 is about 518.3922135001.

The spelling of 139307792 in words is "one hundred thirty-nine million, three hundred seven thousand, seven hundred ninety-two".