131544117 has 24 divisors (see below), whose sum is σ = 196035840. Its totient is φ = 84952800.

The previous prime is 131544109. The next prime is 131544137. The reversal of 131544117 is 711445131.

131544117 is a `hidden beast` number, since 1 + 3 + 1 + 544 + 117 = 666.

It is not a de Polignac number, because 131544117 - 2³ = 131544109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131544137) 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, 41184 + ... + 44262.

It is an arithmetic number, because the mean of its divisors is an integer number (8168160).

Almost surely, 2^131544117 is an apocalyptic number.

It is an amenable number.

131544117 is a deficient number, since it is larger than the sum of its proper divisors (64491723).

131544117 is a wasteful number, since it uses less digits than its factorization.

131544117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233 (or 3230 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 131544117 is about 11469.2683724813. The cubic root of 131544117 is about 508.5775008556.

Adding to 131544117 its reverse (711445131), we get a palindrome (842989248).

It can be divided in two parts, 13154 and 4117, that added together give a palindrome (17271).

The spelling of 131544117 in words is "one hundred thirty-one million, five hundred forty-four thousand, one hundred seventeen".