139495036 has 12 divisors (see below), whose sum is σ = 256964680. Its totient is φ = 66076560.

The previous prime is 139495033. The next prime is 139495051. The reversal of 139495036 is 630594931.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 139495036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139495033) 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, 917655 + ... + 917806.

Almost surely, 2^139495036 is an apocalyptic number.

It is an amenable number.

139495036 is a deficient number, since it is larger than the sum of its proper divisors (117469644).

139495036 is a wasteful number, since it uses less digits than its factorization.

139495036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835484 (or 1835482 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 139495036 is about 11810.8016662714. The cubic root of 139495036 is about 518.6243670020.

The spelling of 139495036 in words is "one hundred thirty-nine million, four hundred ninety-five thousand, thirty-six".