131613967 has 2 divisors, whose sum is σ = 131613968. Its totient is φ = 131613966.

The previous prime is 131613943. The next prime is 131614019. The reversal of 131613967 is 769316131.

It is a weak prime.

It is an emirp because it is prime and its reverse (769316131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131613967 - 2¹⁵ = 131581199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131613767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65806983 + 65806984.

It is an arithmetic number, because the mean of its divisors is an integer number (65806984).

Almost surely, 2^131613967 is an apocalyptic number.

131613967 is a deficient number, since it is larger than the sum of its proper divisors (1).

131613967 is an equidigital number, since it uses as much as digits as its factorization.

131613967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 37.

The square root of 131613967 is about 11472.3130623253. The cubic root of 131613967 is about 508.6675032399.

The spelling of 131613967 in words is "one hundred thirty-one million, six hundred thirteen thousand, nine hundred sixty-seven".