131368459 has 2 divisors, whose sum is σ = 131368460. Its totient is φ = 131368458.

The previous prime is 131368439. The next prime is 131368477. The reversal of 131368459 is 954863131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131368459 - 2⁷ = 131368331 is a prime.

It is not a weakly prime, because it can be changed into another prime (131368439) 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, 65684229 + 65684230.

It is an arithmetic number, because the mean of its divisors is an integer number (65684230).

Almost surely, 2^131368459 is an apocalyptic number.

131368459 is a deficient number, since it is larger than the sum of its proper divisors (1).

131368459 is an equidigital number, since it uses as much as digits as its factorization.

131368459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 131368459 is about 11461.6080459942. The cubic root of 131368459 is about 508.3510229683.

The spelling of 131368459 in words is "one hundred thirty-one million, three hundred sixty-eight thousand, four hundred fifty-nine".