1366466540013 has 12 divisors (see below), whose sum is σ = 1978473333148. Its totient is φ = 908813848320.

The previous prime is 1366466539993. The next prime is 1366466540059. The reversal of 1366466540013 is 3100456646631.

1366466540013 is a `hidden beast` number, since 1 + 3 + 66 + 46 + 6 + 540 + 0 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 285569465769 + 1080897074244 = 534387^2 + 1039662^2 .

It is not a de Polignac number, because 1366466540013 - 2²⁰ = 1366465491437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366466540113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180316420 + ... + 180323997.

Almost surely, 2^{1366466540013} is an apocalyptic number.

It is an amenable number.

1366466540013 is a deficient number, since it is larger than the sum of its proper divisors (612006793135).

1366466540013 is a wasteful number, since it uses less digits than its factorization.

1366466540013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360640844 (or 360640841 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 1366466540013 in words is "one trillion, three hundred sixty-six billion, four hundred sixty-six million, five hundred forty thousand, thirteen".