13131604504165 has 32 divisors (see below), whose sum is σ = 18278174154240. Its totient is φ = 8870185363200.

The previous prime is 13131604504099. The next prime is 13131604504189. The reversal of 13131604504165 is 56140540613131.

It is a happy number.

It is not a de Polignac number, because 13131604504165 - 2⁹ = 13131604503653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 697551 + ... + 5172019.

It is an arithmetic number, because the mean of its divisors is an integer number (571192942320).

Almost surely, 2^{13131604504165} is an apocalyptic number.

It is an amenable number.

13131604504165 is a deficient number, since it is larger than the sum of its proper divisors (5146569650075).

13131604504165 is a wasteful number, since it uses less digits than its factorization.

13131604504165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475733.

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

The spelling of 13131604504165 in words is "thirteen trillion, one hundred thirty-one billion, six hundred four million, five hundred four thousand, one hundred sixty-five".