131513263722635 has 8 divisors (see below), whose sum is σ = 157816046202480. Its totient is φ = 105210524487904.

The previous prime is 131513263722611. The next prime is 131513263722667. The reversal of 131513263722635 is 536227362315131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131513263722635 - 2¹² = 131513263718539 is a prime.

It is a super-2 number, since 2×131513263722635² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3694997 + ... + 16633686.

It is an arithmetic number, because the mean of its divisors is an integer number (19727005775310).

Almost surely, 2^{131513263722635} is an apocalyptic number.

131513263722635 is a deficient number, since it is larger than the sum of its proper divisors (26302782479845).

131513263722635 is a wasteful number, since it uses less digits than its factorization.

131513263722635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21622557.

The product of its digits is 4082400, while the sum is 50.

The spelling of 131513263722635 in words is "one hundred thirty-one trillion, five hundred thirteen billion, two hundred sixty-three million, seven hundred twenty-two thousand, six hundred thirty-five".