131389257899 has 2 divisors, whose sum is σ = 131389257900. Its totient is φ = 131389257898.

The previous prime is 131389257829. The next prime is 131389258003. The reversal of 131389257899 is 998752983131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131389257899 - 2²⁴ = 131372480683 is a prime.

It is not a weakly prime, because it can be changed into another prime (131389257829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65694628949 + 65694628950.

It is an arithmetic number, because the mean of its divisors is an integer number (65694628950).

Almost surely, 2^131389257899 is an apocalyptic number.

131389257899 is a deficient number, since it is larger than the sum of its proper divisors (1).

131389257899 is an equidigital number, since it uses as much as digits as its factorization.

131389257899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29393280, while the sum is 65.

The spelling of 131389257899 in words is "one hundred thirty-one billion, three hundred eighty-nine million, two hundred fifty-seven thousand, eight hundred ninety-nine".