131727571768668 has 24 divisors (see below), whose sum is σ = 307376076630672. Its totient is φ = 43907513089024.

The previous prime is 131727571768657. The next prime is 131727571768669. The reversal of 131727571768668 is 866867175727131.

It is a self number, because there is not a number n which added to its sum of digits gives 131727571768668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131727571768669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209360355 + ... + 209988602.

It is an arithmetic number, because the mean of its divisors is an integer number (12807336526278).

Almost surely, 2^{131727571768668} is an apocalyptic number.

It is an amenable number.

131727571768668 is an abundant number, since it is smaller than the sum of its proper divisors (175648504862004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131727571768668 is a wasteful number, since it uses less digits than its factorization.

131727571768668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419375141 (or 419375139 counting only the distinct ones).

The product of its digits is 995742720, while the sum is 75.

The spelling of 131727571768668 in words is "one hundred thirty-one trillion, seven hundred twenty-seven billion, five hundred seventy-one million, seven hundred sixty-eight thousand, six hundred sixty-eight".