131196748640 has 48 divisors (see below), whose sum is σ = 312005040480. Its totient is φ = 52131148800.

The previous prime is 131196748633. The next prime is 131196748663. The reversal of 131196748640 is 46847691131.

It is a happy number.

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, 2691005 + ... + 2739324.

It is an arithmetic number, because the mean of its divisors is an integer number (6500105010).

Almost surely, 2^131196748640 is an apocalyptic number.

131196748640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131196748640 is an abundant number, since it is smaller than the sum of its proper divisors (180808291840).

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

131196748640 is a wasteful number, since it uses less digits than its factorization.

131196748640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5430495 (or 5430487 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 131196748640 in words is "one hundred thirty-one billion, one hundred ninety-six million, seven hundred forty-eight thousand, six hundred forty".