131857344215059 has 2 divisors, whose sum is σ = 131857344215060. Its totient is φ = 131857344215058.

The previous prime is 131857344215041. The next prime is 131857344215089. The reversal of 131857344215059 is 950512443758131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131857344215059 - 2²⁵ = 131857310660627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131857344214994 and 131857344215012.

It is not a weakly prime, because it can be changed into another prime (131857344215089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65928672107529 + 65928672107530.

It is an arithmetic number, because the mean of its divisors is an integer number (65928672107530).

Almost surely, 2^{131857344215059} is an apocalyptic number.

131857344215059 is a deficient number, since it is larger than the sum of its proper divisors (1).

131857344215059 is an equidigital number, since it uses as much as digits as its factorization.

131857344215059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144000, while the sum is 58.

The spelling of 131857344215059 in words is "one hundred thirty-one trillion, eight hundred fifty-seven billion, three hundred forty-four million, two hundred fifteen thousand, fifty-nine".