131485774873 has 16 divisors (see below), whose sum is σ = 137589753600. Its totient is φ = 125487331200.

The previous prime is 131485774813. The next prime is 131485774877. The reversal of 131485774873 is 378477584131.

It is a cyclic number.

It is not a de Polignac number, because 131485774873 - 2⁹ = 131485774361 is a prime.

It is a super-2 number, since 2×131485774873² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131485774877) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12339598 + ... + 12350248.

It is an arithmetic number, because the mean of its divisors is an integer number (8599359600).

Almost surely, 2^131485774873 is an apocalyptic number.

It is an amenable number.

131485774873 is a deficient number, since it is larger than the sum of its proper divisors (6103978727).

131485774873 is a wasteful number, since it uses less digits than its factorization.

131485774873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15552.

The product of its digits is 15805440, while the sum is 58.

The spelling of 131485774873 in words is "one hundred thirty-one billion, four hundred eighty-five million, seven hundred seventy-four thousand, eight hundred seventy-three".