131241959 has 2 divisors, whose sum is σ = 131241960. Its totient is φ = 131241958.

The previous prime is 131241953. The next prime is 131242037. The reversal of 131241959 is 959142131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131241959 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 (131241953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65620979 + 65620980.

It is an arithmetic number, because the mean of its divisors is an integer number (65620980).

Almost surely, 2^131241959 is an apocalyptic number.

131241959 is a deficient number, since it is larger than the sum of its proper divisors (1).

131241959 is an equidigital number, since it uses as much as digits as its factorization.

131241959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 35.

The square root of 131241959 is about 11456.0882940033. The cubic root of 131241959 is about 508.1877999820.

The spelling of 131241959 in words is "one hundred thirty-one million, two hundred forty-one thousand, nine hundred fifty-nine".