1340341080517 has 2 divisors, whose sum is σ = 1340341080518. Its totient is φ = 1340341080516.

The previous prime is 1340341080509. The next prime is 1340341080553. The reversal of 1340341080517 is 7150801430431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 931705632001 + 408635448516 = 965249^2 + 639246^2 .

It is an emirp because it is prime and its reverse (7150801430431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1340341080517 - 2³ = 1340341080509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340341080577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670170540258 + 670170540259.

It is an arithmetic number, because the mean of its divisors is an integer number (670170540259).

Almost surely, 2^{1340341080517} is an apocalyptic number.

It is an amenable number.

1340341080517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340341080517 is an equidigital number, since it uses as much as digits as its factorization.

1340341080517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 1340341080517 in words is "one trillion, three hundred forty billion, three hundred forty-one million, eighty thousand, five hundred seventeen".