131542869777796 has 9 divisors (see below), whose sum is σ = 230200062253399. Its totient is φ = 65771423419684.

The previous prime is 131542869777757. The next prime is 131542869777797. The reversal of 131542869777796 is 697777968245131.

The square root of 131542869777796 is 11469214.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131542869777797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 20071125 + ... + 25805731.

Almost surely, 2^{131542869777796} is an apocalyptic number.

131542869777796 is the 11469214-th square number.

It is an amenable number.

131542869777796 is a deficient number, since it is larger than the sum of its proper divisors (98657192475603).

131542869777796 is an frugal number, since it uses more digits than its factorization.

131542869777796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11469218 (or 5734609 counting only the distinct ones).

The product of its digits is 6721263360, while the sum is 82.

The spelling of 131542869777796 in words is "one hundred thirty-one trillion, five hundred forty-two billion, eight hundred sixty-nine million, seven hundred seventy-seven thousand, seven hundred ninety-six".