131565256126141 has 2 divisors, whose sum is σ = 131565256126142. Its totient is φ = 131565256126140.

The previous prime is 131565256126093. The next prime is 131565256126243. The reversal of 131565256126141 is 141621652565131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123604698595225 + 7960557530916 = 11117765^2 + 2821446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131565256126141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131565256120141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65782628063070 + 65782628063071.

It is an arithmetic number, because the mean of its divisors is an integer number (65782628063071).

Almost surely, 2^{131565256126141} is an apocalyptic number.

It is an amenable number.

131565256126141 is a deficient number, since it is larger than the sum of its proper divisors (1).

131565256126141 is an equidigital number, since it uses as much as digits as its factorization.

131565256126141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296000, while the sum is 49.

The spelling of 131565256126141 in words is "one hundred thirty-one trillion, five hundred sixty-five billion, two hundred fifty-six million, one hundred twenty-six thousand, one hundred forty-one".