139604402 has 16 divisors (see below), whose sum is σ = 244888512. Its totient is φ = 58438800.

The previous prime is 139604401. The next prime is 139604407. The reversal of 139604402 is 204406931.

It is not an unprimeable number, because it can be changed into a prime (139604401) 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 7 ways as a sum of consecutive naturals, for example, 115349 + ... + 116552.

It is an arithmetic number, because the mean of its divisors is an integer number (15305532).

Almost surely, 2^139604402 is an apocalyptic number.

139604402 is a deficient number, since it is larger than the sum of its proper divisors (105284110).

139604402 is a wasteful number, since it uses less digits than its factorization.

139604402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231953.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 139604402 is about 11815.4306734880. The cubic root of 139604402 is about 518.7598677757.

The spelling of 139604402 in words is "one hundred thirty-nine million, six hundred four thousand, four hundred two".