131741957 has 2 divisors, whose sum is σ = 131741958. Its totient is φ = 131741956.

The previous prime is 131741923. The next prime is 131741963. The reversal of 131741957 is 759147131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69789316 + 61952641 = 8354^2 + 7871^2 .

It is a cyclic number.

It is not a de Polignac number, because 131741957 - 2²² = 127547653 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131741957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131741917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65870978 + 65870979.

It is an arithmetic number, because the mean of its divisors is an integer number (65870979).

Almost surely, 2^131741957 is an apocalyptic number.

It is an amenable number.

131741957 is a deficient number, since it is larger than the sum of its proper divisors (1).

131741957 is an equidigital number, since it uses as much as digits as its factorization.

131741957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 38.

The square root of 131741957 is about 11477.8899193188. The cubic root of 131741957 is about 508.8323369646.

The spelling of 131741957 in words is "one hundred thirty-one million, seven hundred forty-one thousand, nine hundred fifty-seven".