104813139 has 32 divisors (see below), whose sum is σ = 158515200. Its totient is φ = 61253280.

The previous prime is 104813131. The next prime is 104813141. The reversal of 104813139 is 931318401.

It is not a de Polignac number, because 104813139 - 2³ = 104813131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104813131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39352 + ... + 41930.

It is an arithmetic number, because the mean of its divisors is an integer number (4953600).

Almost surely, 2^104813139 is an apocalyptic number.

104813139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

104813139 is a deficient number, since it is larger than the sum of its proper divisors (53702061).

104813139 is a wasteful number, since it uses less digits than its factorization.

104813139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 104813139 is about 10237.8288225580. The cubic root of 104813139 is about 471.4893737529.

The spelling of 104813139 in words is "one hundred four million, eight hundred thirteen thousand, one hundred thirty-nine".