1340402030413 has 2 divisors, whose sum is σ = 1340402030414. Its totient is φ = 1340402030412.

The previous prime is 1340402030333. The next prime is 1340402030417. The reversal of 1340402030413 is 3140302040431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1229264473284 + 111137557129 = 1108722^2 + 333373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340402030413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340402030417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670201015206 + 670201015207.

It is an arithmetic number, because the mean of its divisors is an integer number (670201015207).

Almost surely, 2^{1340402030413} is an apocalyptic number.

It is an amenable number.

1340402030413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340402030413 is an equidigital number, since it uses as much as digits as its factorization.

1340402030413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1340402030413 its reverse (3140302040431), we get a palindrome (4480704070844).

The spelling of 1340402030413 in words is "one trillion, three hundred forty billion, four hundred two million, thirty thousand, four hundred thirteen".