13131190138845 has 16 divisors (see below), whose sum is σ = 21010098837312. Its totient is φ = 7003236535680.

The previous prime is 13131190138841. The next prime is 13131190138867. The reversal of 13131190138845 is 54883109113131.

It is not a de Polignac number, because 13131190138845 - 2² = 13131190138841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13131190138794 and 13131190138803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131190138841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2358271 + ... + 5641260.

It is an arithmetic number, because the mean of its divisors is an integer number (1313131177332).

Almost surely, 2^{13131190138845} is an apocalyptic number.

13131190138845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13131190138845 is a deficient number, since it is larger than the sum of its proper divisors (7878908698467).

13131190138845 is a wasteful number, since it uses less digits than its factorization.

13131190138845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8108972.

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 13131190138845 in words is "thirteen trillion, one hundred thirty-one billion, one hundred ninety million, one hundred thirty-eight thousand, eight hundred forty-five".