131567741 has 2 divisors, whose sum is σ = 131567742. Its totient is φ = 131567740.

The previous prime is 131567731. The next prime is 131567747. The reversal of 131567741 is 147765131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66765241 + 64802500 = 8171^2 + 8050^2 .

It is a cyclic number.

It is not a de Polignac number, because 131567741 - 2²² = 127373437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131567747) 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, 65783870 + 65783871.

It is an arithmetic number, because the mean of its divisors is an integer number (65783871).

Almost surely, 2^131567741 is an apocalyptic number.

It is an amenable number.

131567741 is a deficient number, since it is larger than the sum of its proper divisors (1).

131567741 is an equidigital number, since it uses as much as digits as its factorization.

131567741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 35.

The square root of 131567741 is about 11470.2982088523. The cubic root of 131567741 is about 508.6079441674.

The spelling of 131567741 in words is "one hundred thirty-one million, five hundred sixty-seven thousand, seven hundred forty-one".