1340013366809 has 32 divisors (see below), whose sum is σ = 1530951797760. Its totient is φ = 1164029875200.

The previous prime is 1340013366803. The next prime is 1340013366829. The reversal of 1340013366809 is 9086633100431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1340013366809 - 2⁴ = 1340013366793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340013366809.

It is not an unprimeable number, because it can be changed into a prime (1340013366803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4940477 + ... + 5204645.

It is an arithmetic number, because the mean of its divisors is an integer number (47842243680).

Almost surely, 2^{1340013366809} is an apocalyptic number.

It is an amenable number.

1340013366809 is a deficient number, since it is larger than the sum of its proper divisors (190938430951).

1340013366809 is a wasteful number, since it uses less digits than its factorization.

1340013366809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264561.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 1340013366809 in words is "one trillion, three hundred forty billion, thirteen million, three hundred sixty-six thousand, eight hundred nine".