1340703593897 has 2 divisors, whose sum is σ = 1340703593898. Its totient is φ = 1340703593896.

The previous prime is 1340703593881. The next prime is 1340703593917. The reversal of 1340703593897 is 7983953070431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 883269150976 + 457434442921 = 939824^2 + 676339^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340703593897 - 2⁴ = 1340703593881 is a prime.

It is a super-2 number, since 2×1340703593897² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1340703593807) 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, 670351796948 + 670351796949.

It is an arithmetic number, because the mean of its divisors is an integer number (670351796949).

Almost surely, 2^{1340703593897} is an apocalyptic number.

It is an amenable number.

1340703593897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340703593897 is an equidigital number, since it uses as much as digits as its factorization.

1340703593897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17146080, while the sum is 59.

The spelling of 1340703593897 in words is "one trillion, three hundred forty billion, seven hundred three million, five hundred ninety-three thousand, eight hundred ninety-seven".