131142343664 has 40 divisors (see below), whose sum is σ = 256376209920. Its totient is φ = 64982930688.

The previous prime is 131142343583. The next prime is 131142343681. The reversal of 131142343664 is 466343241131.

It is a congruent number.

It is an unprimeable number.

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, 893942 + ... + 1030250.

It is an arithmetic number, because the mean of its divisors is an integer number (6409405248).

Almost surely, 2^131142343664 is an apocalyptic number.

It is an amenable number.

131142343664 is a deficient number, since it is larger than the sum of its proper divisors (125233866256).

131142343664 is a wasteful number, since it uses less digits than its factorization.

131142343664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136857 (or 136851 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

Adding to 131142343664 its reverse (466343241131), we get a palindrome (597485584795).

The spelling of 131142343664 in words is "one hundred thirty-one billion, one hundred forty-two million, three hundred forty-three thousand, six hundred sixty-four".