131503755632 has 40 divisors (see below), whose sum is σ = 258777075600. Its totient is φ = 64729032192.

The previous prime is 131503755619. The next prime is 131503755659. The reversal of 131503755632 is 236557305131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131503755632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124463 + ... + 527729.

It is an arithmetic number, because the mean of its divisors is an integer number (6469426890).

Almost surely, 2^131503755632 is an apocalyptic number.

It is an amenable number.

131503755632 is a deficient number, since it is larger than the sum of its proper divisors (127273319968).

131503755632 is a wasteful number, since it uses less digits than its factorization.

131503755632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403593 (or 403587 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 41.

The spelling of 131503755632 in words is "one hundred thirty-one billion, five hundred three million, seven hundred fifty-five thousand, six hundred thirty-two".