104810139 has 32 divisors (see below), whose sum is σ = 180385280. Its totient is φ = 58903200.

The previous prime is 104810131. The next prime is 104810171. The reversal of 104810139 is 931018401.

It is not a de Polignac number, because 104810139 - 2³ = 104810131 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104810131) 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, 6984 + ... + 16074.

It is an arithmetic number, because the mean of its divisors is an integer number (5637040).

Almost surely, 2^104810139 is an apocalyptic number.

104810139 is a deficient number, since it is larger than the sum of its proper divisors (75575141).

104810139 is an equidigital number, since it uses as much as digits as its factorization.

104810139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168 (or 9162 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 104810139 is about 10237.6823060691. The cubic root of 104810139 is about 471.4848753295.

The spelling of 104810139 in words is "one hundred four million, eight hundred ten thousand, one hundred thirty-nine".