1340341432013 has 2 divisors, whose sum is σ = 1340341432014. Its totient is φ = 1340341432012.

The previous prime is 1340341432009. The next prime is 1340341432049. The reversal of 1340341432013 is 3102341430431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 782299563529 + 558041868484 = 884477^2 + 747022^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340341432013 - 2² = 1340341432009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340341432093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670170716006 + 670170716007.

It is an arithmetic number, because the mean of its divisors is an integer number (670170716007).

Almost surely, 2^{1340341432013} is an apocalyptic number.

It is an amenable number.

1340341432013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340341432013 is an equidigital number, since it uses as much as digits as its factorization.

1340341432013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1340341432013 its reverse (3102341430431), we get a palindrome (4442682862444).

The spelling of 1340341432013 in words is "one trillion, three hundred forty billion, three hundred forty-one million, four hundred thirty-two thousand, thirteen".