131799833773 has 2 divisors, whose sum is σ = 131799833774. Its totient is φ = 131799833772.

The previous prime is 131799833761. The next prime is 131799833819. The reversal of 131799833773 is 377338997131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91676939524 + 40122894249 = 302782^2 + 200307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131799833773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131799833873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65899916886 + 65899916887.

It is an arithmetic number, because the mean of its divisors is an integer number (65899916887).

Almost surely, 2^131799833773 is an apocalyptic number.

It is an amenable number.

131799833773 is a deficient number, since it is larger than the sum of its proper divisors (1).

131799833773 is an equidigital number, since it uses as much as digits as its factorization.

131799833773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18003384, while the sum is 61.

The spelling of 131799833773 in words is "one hundred thirty-one billion, seven hundred ninety-nine million, eight hundred thirty-three thousand, seven hundred seventy-three".