139087604 has 12 divisors (see below), whose sum is σ = 243577824. Its totient is φ = 69493944.

The previous prime is 139087589. The next prime is 139087609. The reversal of 139087604 is 406780931.

It is a hoax number, since the sum of its digits (38) 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 (139087609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5792 + ... + 17655.

It is an arithmetic number, because the mean of its divisors is an integer number (20298152).

Almost surely, 2^139087604 is an apocalyptic number.

It is an amenable number.

139087604 is a deficient number, since it is larger than the sum of its proper divisors (104490220).

139087604 is a wasteful number, since it uses less digits than its factorization.

139087604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24934 (or 24932 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 139087604 is about 11793.5407745087. The cubic root of 139087604 is about 518.1189482507.

It can be divided in two parts, 13908 and 7604, that added together give a palindrome (21512).

The spelling of 139087604 in words is "one hundred thirty-nine million, eighty-seven thousand, six hundred four".