131380548736 has 32 divisors (see below), whose sum is σ = 261756546300. Its totient is φ = 65684788224.

The previous prime is 131380548703. The next prime is 131380548799. The reversal of 131380548736 is 637845083131.

It can be written as a sum of positive squares in 2 ways, for example, as 128204099136 + 3176449600 = 358056^2 + 56360^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 131380548736.

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, 1806126 + ... + 1877458.

Almost surely, 2^131380548736 is an apocalyptic number.

131380548736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131380548736 is a deficient number, since it is larger than the sum of its proper divisors (130375997564).

131380548736 is an equidigital number, since it uses as much as digits as its factorization.

131380548736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85736 (or 85724 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 131380548736 in words is "one hundred thirty-one billion, three hundred eighty million, five hundred forty-eight thousand, seven hundred thirty-six".