1356343013 has 2 divisors, whose sum is σ = 1356343014. Its totient is φ = 1356343012.

The previous prime is 1356342983. The next prime is 1356343057. The reversal of 1356343013 is 3103436531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 730242529 + 626100484 = 27023^2 + 25022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1356343013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356343073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678171506 + 678171507.

It is an arithmetic number, because the mean of its divisors is an integer number (678171507).

Almost surely, 2^1356343013 is an apocalyptic number.

It is an amenable number.

1356343013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356343013 is an equidigital number, since it uses as much as digits as its factorization.

1356343013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 1356343013 is about 36828.5624617633. The cubic root of 1356343013 is about 1106.9376982395.

Adding to 1356343013 its reverse (3103436531), we get a palindrome (4459779544).

The spelling of 1356343013 in words is "one billion, three hundred fifty-six million, three hundred forty-three thousand, thirteen".