131366159 has 2 divisors, whose sum is σ = 131366160. Its totient is φ = 131366158.

The previous prime is 131366153. The next prime is 131366231. The reversal of 131366159 is 951663131.

It is a weak prime.

It is an emirp because it is prime and its reverse (951663131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131366159 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131366153) 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, 65683079 + 65683080.

It is an arithmetic number, because the mean of its divisors is an integer number (65683080).

Almost surely, 2^131366159 is an apocalyptic number.

131366159 is a deficient number, since it is larger than the sum of its proper divisors (1).

131366159 is an equidigital number, since it uses as much as digits as its factorization.

131366159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 35.

The square root of 131366159 is about 11461.5077105938. The cubic root of 131366159 is about 508.3480562131.

The spelling of 131366159 in words is "one hundred thirty-one million, three hundred sixty-six thousand, one hundred fifty-nine".