1340070085817 has 2 divisors, whose sum is σ = 1340070085818. Its totient is φ = 1340070085816.

The previous prime is 1340070085811. The next prime is 1340070085829. The reversal of 1340070085817 is 7185800700431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 947236974121 + 392833111696 = 973261^2 + 626764^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340070085817 - 2²² = 1340065891513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340070085811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670035042908 + 670035042909.

It is an arithmetic number, because the mean of its divisors is an integer number (670035042909).

Almost surely, 2^{1340070085817} is an apocalyptic number.

It is an amenable number.

1340070085817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340070085817 is an equidigital number, since it uses as much as digits as its factorization.

1340070085817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 44.

The spelling of 1340070085817 in words is "one trillion, three hundred forty billion, seventy million, eighty-five thousand, eight hundred seventeen".