131403333441409 has 2 divisors, whose sum is σ = 131403333441410. Its totient is φ = 131403333441408.

The previous prime is 131403333441403. The next prime is 131403333441421. The reversal of 131403333441409 is 904144333304131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93803099040000 + 37600234401409 = 9685200^2 + 6131903^2 .

It is a cyclic number.

It is not a de Polignac number, because 131403333441409 - 2²⁵ = 131403299886977 is a prime.

It is not a weakly prime, because it can be changed into another prime (131403333441403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701666720704 + 65701666720705.

It is an arithmetic number, because the mean of its divisors is an integer number (65701666720705).

Almost surely, 2^{131403333441409} is an apocalyptic number.

It is an amenable number.

131403333441409 is a deficient number, since it is larger than the sum of its proper divisors (1).

131403333441409 is an equidigital number, since it uses as much as digits as its factorization.

131403333441409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 43.

The spelling of 131403333441409 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred thirty-three million, four hundred forty-one thousand, four hundred nine".