131309418139 has 2 divisors, whose sum is σ = 131309418140. Its totient is φ = 131309418138.

The previous prime is 131309418011. The next prime is 131309418179. The reversal of 131309418139 is 931814903131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131309418139 - 2⁷ = 131309418011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131309418095 and 131309418104.

It is not a weakly prime, because it can be changed into another prime (131309418179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65654709069 + 65654709070.

It is an arithmetic number, because the mean of its divisors is an integer number (65654709070).

Almost surely, 2^131309418139 is an apocalyptic number.

131309418139 is a deficient number, since it is larger than the sum of its proper divisors (1).

131309418139 is an equidigital number, since it uses as much as digits as its factorization.

131309418139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 131309418139 in words is "one hundred thirty-one billion, three hundred nine million, four hundred eighteen thousand, one hundred thirty-nine".