131513263722634 has 8 divisors (see below), whose sum is σ = 200503828298628. Its totient is φ = 64678654289760.

The previous prime is 131513263722611. The next prime is 131513263722667. The reversal of 131513263722634 is 436227362315131.

It can be written as a sum of positive squares in 2 ways, for example, as 114894881523409 + 16618382199225 = 10718903^2 + 4076565^2 .

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

It is a super-2 number, since 2×131513263722634² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538988785627 + ... + 538988785870.

Almost surely, 2^{131513263722634} is an apocalyptic number.

131513263722634 is a deficient number, since it is larger than the sum of its proper divisors (68990564575994).

131513263722634 is a wasteful number, since it uses less digits than its factorization.

131513263722634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077977571560.

The product of its digits is 3265920, while the sum is 49.

The spelling of 131513263722634 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-four".