104135825 has 12 divisors (see below), whose sum is σ = 130765440. Its totient is φ = 82252560.

The previous prime is 104135819. The next prime is 104135833. The reversal of 104135825 is 528531401.

It is a de Polignac number, because none of the positive numbers 2^k-104135825 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24389 + ... + 28338.

It is an arithmetic number, because the mean of its divisors is an integer number (10897120).

Almost surely, 2^104135825 is an apocalyptic number.

It is an amenable number.

104135825 is a deficient number, since it is larger than the sum of its proper divisors (26629615).

104135825 is an equidigital number, since it uses as much as digits as its factorization.

104135825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52816 (or 52811 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 104135825 is about 10204.6962228182. The cubic root of 104135825 is about 470.4715728655.

The spelling of 104135825 in words is "one hundred four million, one hundred thirty-five thousand, eight hundred twenty-five".