131895129 has 16 divisors (see below), whose sum is σ = 186449472. Its totient is φ = 82649088.

The previous prime is 131895119. The next prime is 131895139. The reversal of 131895129 is 921598131.

It is an interprime number because it is at equal distance from previous prime (131895119) and next prime (131895139).

It is not a de Polignac number, because 131895129 - 2¹⁵ = 131862361 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131895119) 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 15 ways as a sum of consecutive naturals, for example, 57682 + ... + 59924.

It is an arithmetic number, because the mean of its divisors is an integer number (11653092).

Almost surely, 2^131895129 is an apocalyptic number.

It is an amenable number.

131895129 is a deficient number, since it is larger than the sum of its proper divisors (54554343).

131895129 is a wasteful number, since it uses less digits than its factorization.

131895129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416.

The product of its digits is 19440, while the sum is 39.

The square root of 131895129 is about 11484.5604617678. The cubic root of 131895129 is about 509.0294614099.

The spelling of 131895129 in words is "one hundred thirty-one million, eight hundred ninety-five thousand, one hundred twenty-nine".