131712773 has 2 divisors, whose sum is σ = 131712774. Its totient is φ = 131712772.

The previous prime is 131712703. The next prime is 131712781. The reversal of 131712773 is 377217131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81685444 + 50027329 = 9038^2 + 7073^2 .

It is a cyclic number.

It is not a de Polignac number, because 131712773 - 2¹⁶ = 131647237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131712703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65856386 + 65856387.

It is an arithmetic number, because the mean of its divisors is an integer number (65856387).

Almost surely, 2^131712773 is an apocalyptic number.

It is an amenable number.

131712773 is a deficient number, since it is larger than the sum of its proper divisors (1).

131712773 is an equidigital number, since it uses as much as digits as its factorization.

131712773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6174, while the sum is 32.

The square root of 131712773 is about 11476.6185350912. The cubic root of 131712773 is about 508.7947613384.

The spelling of 131712773 in words is "one hundred thirty-one million, seven hundred twelve thousand, seven hundred seventy-three".