131750939 has 2 divisors, whose sum is σ = 131750940. Its totient is φ = 131750938.

The previous prime is 131750873. The next prime is 131750947. The reversal of 131750939 is 939057131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131750939 - 2²⁴ = 114973723 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131750039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65875469 + 65875470.

It is an arithmetic number, because the mean of its divisors is an integer number (65875470).

Almost surely, 2^131750939 is an apocalyptic number.

131750939 is a deficient number, since it is larger than the sum of its proper divisors (1).

131750939 is an equidigital number, since it uses as much as digits as its factorization.

131750939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25515, while the sum is 38.

The square root of 131750939 is about 11478.2811866586. The cubic root of 131750939 is about 508.8439005502.

The spelling of 131750939 in words is "one hundred thirty-one million, seven hundred fifty thousand, nine hundred thirty-nine".