1340013366829 has 2 divisors, whose sum is σ = 1340013366830. Its totient is φ = 1340013366828.

The previous prime is 1340013366803. The next prime is 1340013366893. The reversal of 1340013366829 is 9286633100431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 713556946729 + 626456420100 = 844723^2 + 791490^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340013366829 - 2²¹ = 1340011269677 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, 670006683414 + 670006683415.

It is an arithmetic number, because the mean of its divisors is an integer number (670006683415).

Almost surely, 2^{1340013366829} is an apocalyptic number.

It is an amenable number.

1340013366829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340013366829 is an equidigital number, since it uses as much as digits as its factorization.

1340013366829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 1340013366829 in words is "one trillion, three hundred forty billion, thirteen million, three hundred sixty-six thousand, eight hundred twenty-nine".