131799975453 has 24 divisors (see below), whose sum is σ = 190837764416. Its totient is φ = 87654571200.

The previous prime is 131799975449. The next prime is 131799975457. The reversal of 131799975453 is 354579997131.

131799975453 is a `hidden beast` number, since 1 + 3 + 1 + 7 + 99 + 97 + 5 + 453 = 666.

It is an interprime number because it is at equal distance from previous prime (131799975449) and next prime (131799975457).

It is not a de Polignac number, because 131799975453 - 2² = 131799975449 is a prime.

It is a super-2 number, since 2×131799975453² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131799975457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7322601 + ... + 7340577.

Almost surely, 2^131799975453 is an apocalyptic number.

It is an amenable number.

131799975453 is a deficient number, since it is larger than the sum of its proper divisors (59037788963).

131799975453 is a wasteful number, since it uses less digits than its factorization.

131799975453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19905 (or 19902 counting only the distinct ones).

The product of its digits is 32148900, while the sum is 63.

The spelling of 131799975453 in words is "one hundred thirty-one billion, seven hundred ninety-nine million, nine hundred seventy-five thousand, four hundred fifty-three".