1340302872791 has 2 divisors, whose sum is σ = 1340302872792. Its totient is φ = 1340302872790.

The previous prime is 1340302872751. The next prime is 1340302872859. The reversal of 1340302872791 is 1972782030431.

It is a weak prime.

It is an emirp because it is prime and its reverse (1972782030431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1340302872791 - 2²⁶ = 1340235763927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340302872751) 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, 670151436395 + 670151436396.

It is an arithmetic number, because the mean of its divisors is an integer number (670151436396).

Almost surely, 2^{1340302872791} is an apocalyptic number.

1340302872791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340302872791 is an equidigital number, since it uses as much as digits as its factorization.

1340302872791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 1340302872791 in words is "one trillion, three hundred forty billion, three hundred two million, eight hundred seventy-two thousand, seven hundred ninety-one".