1340314513 has 2 divisors, whose sum is σ = 1340314514. Its totient is φ = 1340314512.

The previous prime is 1340314501. The next prime is 1340314537. The reversal of 1340314513 is 3154130431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1340072449 + 242064 = 36607^2 + 492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340314513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340344513) 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, 670157256 + 670157257.

It is an arithmetic number, because the mean of its divisors is an integer number (670157257).

Almost surely, 2^1340314513 is an apocalyptic number.

It is an amenable number.

1340314513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340314513 is an equidigital number, since it uses as much as digits as its factorization.

1340314513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1340314513 is about 36610.3061036097. The cubic root of 1340314513 is about 1102.5600190141.

Adding to 1340314513 its reverse (3154130431), we get a palindrome (4494444944).

The spelling of 1340314513 in words is "one billion, three hundred forty million, three hundred fourteen thousand, five hundred thirteen".