131405245335079 has 2 divisors, whose sum is σ = 131405245335080. Its totient is φ = 131405245335078.

The previous prime is 131405245335053. The next prime is 131405245335163. The reversal of 131405245335079 is 970533542504131.

It is a weak prime.

It is an emirp because it is prime and its reverse (970533542504131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131405245335079 - 2³³ = 131396655400487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131405245333079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65702622667539 + 65702622667540.

It is an arithmetic number, because the mean of its divisors is an integer number (65702622667540).

Almost surely, 2^{131405245335079} is an apocalyptic number.

131405245335079 is a deficient number, since it is larger than the sum of its proper divisors (1).

131405245335079 is an equidigital number, since it uses as much as digits as its factorization.

131405245335079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804000, while the sum is 52.

The spelling of 131405245335079 in words is "one hundred thirty-one trillion, four hundred five billion, two hundred forty-five million, three hundred thirty-five thousand, seventy-nine".