131664427813 has 8 divisors (see below), whose sum is σ = 142339922720. Its totient is φ = 121363511760.

The previous prime is 131664427801. The next prime is 131664427837. The reversal of 131664427813 is 318724466131.

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 131664427813 - 2²¹ = 131662330661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131664427883) 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, 93643983 + ... + 93645388.

It is an arithmetic number, because the mean of its divisors is an integer number (17792490340).

Almost surely, 2^131664427813 is an apocalyptic number.

It is an amenable number.

131664427813 is a deficient number, since it is larger than the sum of its proper divisors (10675494907).

131664427813 is a wasteful number, since it uses less digits than its factorization.

131664427813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187289427.

The product of its digits is 580608, while the sum is 46.

The spelling of 131664427813 in words is "one hundred thirty-one billion, six hundred sixty-four million, four hundred twenty-seven thousand, eight hundred thirteen".