131406370309867 has 2 divisors, whose sum is σ = 131406370309868. Its totient is φ = 131406370309866.

The previous prime is 131406370309849. The next prime is 131406370309937. The reversal of 131406370309867 is 768903073604131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131406370309867 is a prime.

It is not a weakly prime, because it can be changed into another prime (131406370309807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65703185154933 + 65703185154934.

It is an arithmetic number, because the mean of its divisors is an integer number (65703185154934).

Almost surely, 2^{131406370309867} is an apocalyptic number.

131406370309867 is a deficient number, since it is larger than the sum of its proper divisors (1).

131406370309867 is an equidigital number, since it uses as much as digits as its factorization.

131406370309867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 131406370309867 in words is "one hundred thirty-one trillion, four hundred six billion, three hundred seventy million, three hundred nine thousand, eight hundred sixty-seven".