131462491 has 2 divisors, whose sum is σ = 131462492. Its totient is φ = 131462490.

The previous prime is 131462489. The next prime is 131462497. The reversal of 131462491 is 194264131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131462491 - 2¹ = 131462489 is a prime.

Together with 131462489, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131462497) 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, 65731245 + 65731246.

It is an arithmetic number, because the mean of its divisors is an integer number (65731246).

Almost surely, 2^131462491 is an apocalyptic number.

131462491 is a deficient number, since it is larger than the sum of its proper divisors (1).

131462491 is an equidigital number, since it uses as much as digits as its factorization.

131462491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 131462491 is about 11465.7093544185. The cubic root of 131462491 is about 508.4722846042.

The spelling of 131462491 in words is "one hundred thirty-one million, four hundred sixty-two thousand, four hundred ninety-one".