131326376399 has 2 divisors, whose sum is σ = 131326376400. Its totient is φ = 131326376398.

The previous prime is 131326376347. The next prime is 131326376443. The reversal of 131326376399 is 993673623131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131326376399 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131326376399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131326376339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65663188199 + 65663188200.

It is an arithmetic number, because the mean of its divisors is an integer number (65663188200).

Almost surely, 2^131326376399 is an apocalyptic number.

131326376399 is a deficient number, since it is larger than the sum of its proper divisors (1).

131326376399 is an equidigital number, since it uses as much as digits as its factorization.

131326376399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3306744, while the sum is 53.

The spelling of 131326376399 in words is "one hundred thirty-one billion, three hundred twenty-six million, three hundred seventy-six thousand, three hundred ninety-nine".