104313639 has 4 divisors (see below), whose sum is σ = 139084856. Its totient is φ = 69542424.

The previous prime is 104313617. The next prime is 104313641. The reversal of 104313639 is 936313401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 104313639 - 2⁸ = 104313383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104313659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17385604 + ... + 17385609.

It is an arithmetic number, because the mean of its divisors is an integer number (34771214).

Almost surely, 2^104313639 is an apocalyptic number.

104313639 is a deficient number, since it is larger than the sum of its proper divisors (34771217).

104313639 is an equidigital number, since it uses as much as digits as its factorization.

104313639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34771216.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 104313639 is about 10213.4048681133. The cubic root of 104313639 is about 470.7392004642.

The spelling of 104313639 in words is "one hundred four million, three hundred thirteen thousand, six hundred thirty-nine".