131758943 has 2 divisors, whose sum is σ = 131758944. Its totient is φ = 131758942.

The previous prime is 131758819. The next prime is 131758969. The reversal of 131758943 is 349857131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131758943 - 2²² = 127564639 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 131758943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131758043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65879471 + 65879472.

It is an arithmetic number, because the mean of its divisors is an integer number (65879472).

Almost surely, 2^131758943 is an apocalyptic number.

131758943 is a deficient number, since it is larger than the sum of its proper divisors (1).

131758943 is an equidigital number, since it uses as much as digits as its factorization.

131758943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 131758943 is about 11478.6298398372. The cubic root of 131758943 is about 508.8542045985.

The spelling of 131758943 in words is "one hundred thirty-one million, seven hundred fifty-eight thousand, nine hundred forty-three".