131546957 has 2 divisors, whose sum is σ = 131546958. Its totient is φ = 131546956.

The previous prime is 131546941. The next prime is 131547001. The reversal of 131546957 is 759645131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82700836 + 48846121 = 9094^2 + 6989^2 .

It is a cyclic number.

It is not a de Polignac number, because 131546957 - 2⁴ = 131546941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131546917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65773478 + 65773479.

It is an arithmetic number, because the mean of its divisors is an integer number (65773479).

Almost surely, 2^131546957 is an apocalyptic number.

It is an amenable number.

131546957 is a deficient number, since it is larger than the sum of its proper divisors (1).

131546957 is an equidigital number, since it uses as much as digits as its factorization.

131546957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 41.

The square root of 131546957 is about 11469.3921809309. The cubic root of 131546957 is about 508.5811608437.

The spelling of 131546957 in words is "one hundred thirty-one million, five hundred forty-six thousand, nine hundred fifty-seven".