131475766472 has 36 divisors (see below), whose sum is σ = 261905796915. Its totient is φ = 61862744320.

The previous prime is 131475766469. The next prime is 131475766483. The reversal of 131475766472 is 274667574131.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 46779633796 + 84696132676 = 216286^2 + 291026^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=256394.

It is a Duffinian number.

Its product of digits (5927040) is a multiple of the sum of its prime divisors (7560).

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 8 ways as a sum of consecutive naturals, for example, 17431022 + ... + 17438562.

Almost surely, 2^131475766472 is an apocalyptic number.

It is an amenable number.

131475766472 is a deficient number, since it is larger than the sum of its proper divisors (130430030443).

131475766472 is an frugal number, since it uses more digits than its factorization.

131475766472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15122 (or 7560 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 53.

The spelling of 131475766472 in words is "one hundred thirty-one billion, four hundred seventy-five million, seven hundred sixty-six thousand, four hundred seventy-two".