131385500557 has 8 divisors (see below), whose sum is σ = 131815991840. Its totient is φ = 130955212080.

The previous prime is 131385500527. The next prime is 131385500563. The reversal of 131385500557 is 755005583131.

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 131385500557 - 2⁷ = 131385500429 is a prime.

It is a super-2 number, since 2×131385500557² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131385500527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1306294 + ... + 1403272.

It is an arithmetic number, because the mean of its divisors is an integer number (16476998980).

Almost surely, 2^131385500557 is an apocalyptic number.

It is an amenable number.

131385500557 is a deficient number, since it is larger than the sum of its proper divisors (430491283).

131385500557 is an equidigital number, since it uses as much as digits as its factorization.

131385500557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101403.

The product of its (nonzero) digits is 315000, while the sum is 43.

The spelling of 131385500557 in words is "one hundred thirty-one billion, three hundred eighty-five million, five hundred thousand, five hundred fifty-seven".