1340330413 has 2 divisors, whose sum is σ = 1340330414. Its totient is φ = 1340330412.

The previous prime is 1340330399. The next prime is 1340330423. The reversal of 1340330413 is 3140330431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 672779844 + 667550569 = 25938^2 + 25837^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340330413 - 2²¹ = 1338233261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340330423) 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, 670165206 + 670165207.

It is an arithmetic number, because the mean of its divisors is an integer number (670165207).

Almost surely, 2^1340330413 is an apocalyptic number.

It is an amenable number.

1340330413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340330413 is an equidigital number, since it uses as much as digits as its factorization.

1340330413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1340330413 is about 36610.5232549331. The cubic root of 1340330413 is about 1102.5643788453.

Adding to 1340330413 its reverse (3140330431), we get a palindrome (4480660844).

The spelling of 1340330413 in words is "one billion, three hundred forty million, three hundred thirty thousand, four hundred thirteen".