1340833313 has 2 divisors, whose sum is σ = 1340833314. Its totient is φ = 1340833312.

The previous prime is 1340833303. The next prime is 1340833381. The reversal of 1340833313 is 3133380431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1232922769 + 107910544 = 35113^2 + 10388^2 .

It is an emirp because it is prime and its reverse (3133380431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1340833313 - 2²² = 1336639009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340833303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670416656 + 670416657.

It is an arithmetic number, because the mean of its divisors is an integer number (670416657).

Almost surely, 2^1340833313 is an apocalyptic number.

It is an amenable number.

1340833313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340833313 is an equidigital number, since it uses as much as digits as its factorization.

1340833313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 1340833313 is about 36617.3908546199. The cubic root of 1340833313 is about 1102.7022578556.

The spelling of 1340833313 in words is "one billion, three hundred forty million, eight hundred thirty-three thousand, three hundred thirteen".