131360036777 has 2 divisors, whose sum is σ = 131360036778. Its totient is φ = 131360036776.

The previous prime is 131360036761. The next prime is 131360036851. The reversal of 131360036777 is 777630063131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116556691216 + 14803345561 = 341404^2 + 121669^2 .

It is a cyclic number.

It is not a de Polignac number, because 131360036777 - 2⁴ = 131360036761 is a prime.

It is not a weakly prime, because it can be changed into another prime (131360036707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65680018388 + 65680018389.

It is an arithmetic number, because the mean of its divisors is an integer number (65680018389).

Almost surely, 2^131360036777 is an apocalyptic number.

It is an amenable number.

131360036777 is a deficient number, since it is larger than the sum of its proper divisors (1).

131360036777 is an equidigital number, since it uses as much as digits as its factorization.

131360036777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 333396, while the sum is 44.

The spelling of 131360036777 in words is "one hundred thirty-one billion, three hundred sixty million, thirty-six thousand, seven hundred seventy-seven".