131361525 has 36 divisors (see below), whose sum is σ = 236228928. Its totient is φ = 69778080.

The previous prime is 131361523. The next prime is 131361541. The reversal of 131361525 is 525163131.

131361525 is a `hidden beast` number, since 1 + 3 + 136 + 1 + 525 = 666.

It is not a de Polignac number, because 131361525 - 2¹ = 131361523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131361521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 62644 + ... + 64706.

Almost surely, 2^131361525 is an apocalyptic number.

131361525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131361525 is a deficient number, since it is larger than the sum of its proper divisors (104867403).

131361525 is a wasteful number, since it uses less digits than its factorization.

131361525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362 (or 2354 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 131361525 is about 11461.3055539062. The cubic root of 131361525 is about 508.3420787411.

The spelling of 131361525 in words is "one hundred thirty-one million, three hundred sixty-one thousand, five hundred twenty-five".