131462449 has 2 divisors, whose sum is σ = 131462450. Its totient is φ = 131462448.

The previous prime is 131462417. The next prime is 131462467. The reversal of 131462449 is 944264131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77704225 + 53758224 = 8815^2 + 7332^2 .

It is an emirp because it is prime and its reverse (944264131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131462449 - 2⁵ = 131462417 is a prime.

It is not a weakly prime, because it can be changed into another prime (131462489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65731224 + 65731225.

It is an arithmetic number, because the mean of its divisors is an integer number (65731225).

Almost surely, 2^131462449 is an apocalyptic number.

It is an amenable number.

131462449 is a deficient number, since it is larger than the sum of its proper divisors (1).

131462449 is an equidigital number, since it uses as much as digits as its factorization.

131462449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 131462449 is about 11465.7075228701. The cubic root of 131462449 is about 508.4722304548.

The spelling of 131462449 in words is "one hundred thirty-one million, four hundred sixty-two thousand, four hundred forty-nine".