131237159 has 2 divisors, whose sum is σ = 131237160. Its totient is φ = 131237158.

The previous prime is 131237143. The next prime is 131237173. The reversal of 131237159 is 951732131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131237159 - 2⁴ = 131237143 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131237179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65618579 + 65618580.

It is an arithmetic number, because the mean of its divisors is an integer number (65618580).

Almost surely, 2^131237159 is an apocalyptic number.

131237159 is a deficient number, since it is larger than the sum of its proper divisors (1).

131237159 is an equidigital number, since it uses as much as digits as its factorization.

131237159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 32.

The square root of 131237159 is about 11455.8787964957. The cubic root of 131237159 is about 508.1816044756.

The spelling of 131237159 in words is "one hundred thirty-one million, two hundred thirty-seven thousand, one hundred fifty-nine".