1340269360279 has 2 divisors, whose sum is σ = 1340269360280. Its totient is φ = 1340269360278.

The previous prime is 1340269360267. The next prime is 1340269360303. The reversal of 1340269360279 is 9720639620431.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9720639620431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1340269360279 - 2¹¹ = 1340269358231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340269360259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670134680139 + 670134680140.

It is an arithmetic number, because the mean of its divisors is an integer number (670134680140).

Almost surely, 2^{1340269360279} is an apocalyptic number.

1340269360279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340269360279 is an equidigital number, since it uses as much as digits as its factorization.

1340269360279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 52.

The spelling of 1340269360279 in words is "one trillion, three hundred forty billion, two hundred sixty-nine million, three hundred sixty thousand, two hundred seventy-nine".