104406138 has 32 divisors (see below), whose sum is σ = 233054400. Its totient is φ = 34645968.

The previous prime is 104406101. The next prime is 104406143. The reversal of 104406138 is 831604401.

104406138 is a `hidden beast` number, since 1 + 0 + 4 + 40 + 613 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8145 + ... + 16587.

It is an arithmetic number, because the mean of its divisors is an integer number (7282950).

Almost surely, 2^104406138 is an apocalyptic number.

104406138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

104406138 is an abundant number, since it is smaller than the sum of its proper divisors (128648262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104406138 is a wasteful number, since it uses less digits than its factorization.

104406138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8683 (or 8677 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 104406138 is about 10217.9321782834. The cubic root of 104406138 is about 470.8783003354.

The spelling of 104406138 in words is "one hundred four million, four hundred six thousand, one hundred thirty-eight".