131804677 has 2 divisors, whose sum is σ = 131804678. Its totient is φ = 131804676.

The previous prime is 131804641. The next prime is 131804711. The reversal of 131804677 is 776408131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124411716 + 7392961 = 11154^2 + 2719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131804677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131804177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65902338 + 65902339.

It is an arithmetic number, because the mean of its divisors is an integer number (65902339).

Almost surely, 2^131804677 is an apocalyptic number.

It is an amenable number.

131804677 is a deficient number, since it is larger than the sum of its proper divisors (1).

131804677 is an equidigital number, since it uses as much as digits as its factorization.

131804677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 131804677 is about 11480.6218037178. The cubic root of 131804677 is about 508.9130728255.

The spelling of 131804677 in words is "one hundred thirty-one million, eight hundred four thousand, six hundred seventy-seven".