131232654456 has 16 divisors (see below), whose sum is σ = 328081636200. Its totient is φ = 43744218144.

The previous prime is 131232654437. The next prime is 131232654467. The reversal of 131232654456 is 654456232131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2734013611 + ... + 2734013658.

Almost surely, 2^131232654456 is an apocalyptic number.

It is an amenable number.

131232654456 is an abundant number, since it is smaller than the sum of its proper divisors (196848981744).

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

131232654456 is a wasteful number, since it uses less digits than its factorization.

131232654456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5468027278 (or 5468027274 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

Adding to 131232654456 its reverse (654456232131), we get a palindrome (785688886587).

The spelling of 131232654456 in words is "one hundred thirty-one billion, two hundred thirty-two million, six hundred fifty-four thousand, four hundred fifty-six".