1336426120457 has 2 divisors, whose sum is σ = 1336426120458. Its totient is φ = 1336426120456.

The previous prime is 1336426120399. The next prime is 1336426120489. The reversal of 1336426120457 is 7540216246331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 801649831801 + 534776288656 = 895349^2 + 731284^2 .

It is a cyclic number.

It is not a de Polignac number, because 1336426120457 - 2²⁶ = 1336359011593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1336426320457) 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, 668213060228 + 668213060229.

It is an arithmetic number, because the mean of its divisors is an integer number (668213060229).

Almost surely, 2^{1336426120457} is an apocalyptic number.

It is an amenable number.

1336426120457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1336426120457 is an equidigital number, since it uses as much as digits as its factorization.

1336426120457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 1336426120457 in words is "one trillion, three hundred thirty-six billion, four hundred twenty-six million, one hundred twenty thousand, four hundred fifty-seven".