404102138 has 32 divisors (see below), whose sum is σ = 703945728. Its totient is φ = 171942400.

The previous prime is 404102137. The next prime is 404102161. The reversal of 404102138 is 831201404.

It is not an unprimeable number, because it can be changed into a prime (404102137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68606 + ... + 74262.

It is an arithmetic number, because the mean of its divisors is an integer number (21998304).

Almost surely, 2^404102138 is an apocalyptic number.

404102138 is a deficient number, since it is larger than the sum of its proper divisors (299843590).

404102138 is a wasteful number, since it uses less digits than its factorization.

404102138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5878.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 404102138 is about 20102.2918593876. The cubic root of 404102138 is about 739.3164725552.

The spelling of 404102138 in words is "four hundred four million, one hundred two thousand, one hundred thirty-eight".