131157159 has 24 divisors (see below), whose sum is σ = 212316288. Its totient is φ = 70535040.

The previous prime is 131157157. The next prime is 131157167. The reversal of 131157159 is 951751131.

It is a happy number.

It is not a de Polignac number, because 131157159 - 2¹ = 131157157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131157151) 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, 4737 + ... + 16874.

It is an arithmetic number, because the mean of its divisors is an integer number (8846512).

Almost surely, 2^131157159 is an apocalyptic number.

131157159 is a deficient number, since it is larger than the sum of its proper divisors (81159129).

131157159 is a wasteful number, since it uses less digits than its factorization.

131157159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21655 (or 21638 counting only the distinct ones).

The product of its digits is 4725, while the sum is 33.

The square root of 131157159 is about 11452.3866071662. The cubic root of 131157159 is about 508.0783237884.

The spelling of 131157159 in words is "one hundred thirty-one million, one hundred fifty-seven thousand, one hundred fifty-nine".