131366460457 has 2 divisors, whose sum is σ = 131366460458. Its totient is φ = 131366460456.

The previous prime is 131366460419. The next prime is 131366460469. The reversal of 131366460457 is 754064663131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95335207696 + 36031252761 = 308764^2 + 189819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131366460457 is a prime.

It is not a weakly prime, because it can be changed into another prime (131360460457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65683230228 + 65683230229.

It is an arithmetic number, because the mean of its divisors is an integer number (65683230229).

Almost surely, 2^131366460457 is an apocalyptic number.

It is an amenable number.

131366460457 is a deficient number, since it is larger than the sum of its proper divisors (1).

131366460457 is an equidigital number, since it uses as much as digits as its factorization.

131366460457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 131366460457 in words is "one hundred thirty-one billion, three hundred sixty-six million, four hundred sixty thousand, four hundred fifty-seven".