139037552 has 20 divisors (see below), whose sum is σ = 273077760. Its totient is φ = 68565888.

The previous prime is 139037539. The next prime is 139037557. The reversal of 139037552 is 255730931.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139037557) by changing a digit.

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, 58352 + ... + 60687.

It is an arithmetic number, because the mean of its divisors is an integer number (13653888).

Almost surely, 2^139037552 is an apocalyptic number.

It is an amenable number.

139037552 is a deficient number, since it is larger than the sum of its proper divisors (134040208).

139037552 is a wasteful number, since it uses less digits than its factorization.

139037552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119120 (or 119114 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 139037552 is about 11791.4185745397. The cubic root of 139037552 is about 518.0567907801.

The spelling of 139037552 in words is "one hundred thirty-nine million, thirty-seven thousand, five hundred fifty-two".