131464338525 has 60 divisors (see below), whose sum is σ = 262249559572. Its totient is φ = 64720892160.

The previous prime is 131464338517. The next prime is 131464338527. The reversal of 131464338525 is 525833464131.

131464338525 is a `hidden beast` number, since 1 + 31 + 4 + 64 + 3 + 38 + 525 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 36690253209 + 94774085316 = 191547^2 + 307854^2 .

It is not a de Polignac number, because 131464338525 - 2³ = 131464338517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131464338527) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2470624 + ... + 2523273.

Almost surely, 2^131464338525 is an apocalyptic number.

131464338525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131464338525 is a deficient number, since it is larger than the sum of its proper divisors (130785221047).

131464338525 is a wasteful number, since it uses less digits than its factorization.

131464338525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993932 (or 4993918 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 131464338525 in words is "one hundred thirty-one billion, four hundred sixty-four million, three hundred thirty-eight thousand, five hundred twenty-five".