104135940625 has 24 divisors (see below), whose sum is σ = 130487757624. Its totient is φ = 83100000000.

The previous prime is 104135940589. The next prime is 104135940653. The reversal of 104135940625 is 526049531401.

It can be written as a sum of positive squares in 12 ways, for example, as 87173743504 + 16962197121 = 295252^2 + 130239^2 .

It is not a de Polignac number, because 104135940625 - 2⁹ = 104135940113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1211575 + ... + 1294675.

It is an arithmetic number, because the mean of its divisors is an integer number (5436989901).

Almost surely, 2^104135940625 is an apocalyptic number.

It is an amenable number.

104135940625 is a deficient number, since it is larger than the sum of its proper divisors (26351816999).

104135940625 is an frugal number, since it uses more digits than its factorization.

104135940625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83527 (or 83507 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 104135940625 in words is "one hundred four billion, one hundred thirty-five million, nine hundred forty thousand, six hundred twenty-five".