139589404 has 18 divisors (see below), whose sum is σ = 252399392. Its totient is φ = 67479600.

The previous prime is 139589399. The next prime is 139589413. The reversal of 139589404 is 404985931.

It is a happy number.

139589404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131034 + ... + 132094.

Almost surely, 2^139589404 is an apocalyptic number.

It is an amenable number.

139589404 is a deficient number, since it is larger than the sum of its proper divisors (112809988).

139589404 is an equidigital number, since it uses as much as digits as its factorization.

139589404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157 (or 1094 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 139589404 is about 11814.7959779253. The cubic root of 139589404 is about 518.7412899491.

The spelling of 139589404 in words is "one hundred thirty-nine million, five hundred eighty-nine thousand, four hundred four".