1340050715429 has 2 divisors, whose sum is σ = 1340050715430. Its totient is φ = 1340050715428.

The previous prime is 1340050715387. The next prime is 1340050715473. The reversal of 1340050715429 is 9245170500431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 792046600900 + 548004114529 = 889970^2 + 740273^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340050715429 - 2²⁰ = 1340049666853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340050715629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670025357714 + 670025357715.

It is an arithmetic number, because the mean of its divisors is an integer number (670025357715).

Almost surely, 2^{1340050715429} is an apocalyptic number.

It is an amenable number.

1340050715429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340050715429 is an equidigital number, since it uses as much as digits as its factorization.

1340050715429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 1340050715429 in words is "one trillion, three hundred forty billion, fifty million, seven hundred fifteen thousand, four hundred twenty-nine".