131252747 has 2 divisors, whose sum is σ = 131252748. Its totient is φ = 131252746.

The previous prime is 131252711. The next prime is 131252773. The reversal of 131252747 is 747252131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131252747 - 2⁶ = 131252683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131252447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65626373 + 65626374.

It is an arithmetic number, because the mean of its divisors is an integer number (65626374).

Almost surely, 2^131252747 is an apocalyptic number.

131252747 is a deficient number, since it is larger than the sum of its proper divisors (1).

131252747 is an equidigital number, since it uses as much as digits as its factorization.

131252747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 32.

The square root of 131252747 is about 11456.5591256712. The cubic root of 131252747 is about 508.2017238313.

The spelling of 131252747 in words is "one hundred thirty-one million, two hundred fifty-two thousand, seven hundred forty-seven".