131694707 has 2 divisors, whose sum is σ = 131694708. Its totient is φ = 131694706.

The previous prime is 131694679. The next prime is 131694721. The reversal of 131694707 is 707496131.

It is a strong prime.

It is an emirp because it is prime and its reverse (707496131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131694707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131690707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65847353 + 65847354.

It is an arithmetic number, because the mean of its divisors is an integer number (65847354).

Almost surely, 2^131694707 is an apocalyptic number.

131694707 is a deficient number, since it is larger than the sum of its proper divisors (1).

131694707 is an equidigital number, since it uses as much as digits as its factorization.

131694707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 131694707 is about 11475.8314295741. The cubic root of 131694707 is about 508.7714978228.

The spelling of 131694707 in words is "one hundred thirty-one million, six hundred ninety-four thousand, seven hundred seven".