131657647513 has 8 divisors (see below), whose sum is σ = 150641053760. Its totient is φ = 112718034000.

The previous prime is 131657647481. The next prime is 131657647553. The reversal of 131657647513 is 315746756131.

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 131657647513 - 2⁵ = 131657647481 is a prime.

It is a super-2 number, since 2×131657647513² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131657647553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10941738 + ... + 10953763.

It is an arithmetic number, because the mean of its divisors is an integer number (18830131720).

Almost surely, 2^131657647513 is an apocalyptic number.

It is an amenable number.

131657647513 is a deficient number, since it is larger than the sum of its proper divisors (18983406247).

131657647513 is an equidigital number, since it uses as much as digits as its factorization.

131657647513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21896367.

The product of its digits is 1587600, while the sum is 49.

The spelling of 131657647513 in words is "one hundred thirty-one billion, six hundred fifty-seven million, six hundred forty-seven thousand, five hundred thirteen".