139001404 has 24 divisors (see below), whose sum is σ = 252065520. Its totient is φ = 67027584.

The previous prime is 139001399. The next prime is 139001411. The reversal of 139001404 is 404100931.

139001404 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 7 ways as a sum of consecutive naturals, for example, 6952 + ... + 18064.

It is an arithmetic number, because the mean of its divisors is an integer number (10502730).

Almost surely, 2^139001404 is an apocalyptic number.

It is an amenable number.

139001404 is a deficient number, since it is larger than the sum of its proper divisors (113064116).

139001404 is a wasteful number, since it uses less digits than its factorization.

139001404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229 (or 11227 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 139001404 is about 11789.8856652641. The cubic root of 139001404 is about 518.0118908239.

The spelling of 139001404 in words is "one hundred thirty-nine million, one thousand, four hundred four".