1340013366893 has 2 divisors, whose sum is σ = 1340013366894. Its totient is φ = 1340013366892.

The previous prime is 1340013366829. The next prime is 1340013366899. The reversal of 1340013366893 is 3986633100431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1219085390884 + 120927976009 = 1104122^2 + 347747^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340013366893 - 2⁶ = 1340013366829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340013366899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670006683446 + 670006683447.

It is an arithmetic number, because the mean of its divisors is an integer number (670006683447).

Almost surely, 2^{1340013366893} is an apocalyptic number.

It is an amenable number.

1340013366893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340013366893 is an equidigital number, since it uses as much as digits as its factorization.

1340013366893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 47.

The spelling of 1340013366893 in words is "one trillion, three hundred forty billion, thirteen million, three hundred sixty-six thousand, eight hundred ninety-three".