1340333507 has 2 divisors, whose sum is σ = 1340333508. Its totient is φ = 1340333506.

The previous prime is 1340333497. The next prime is 1340333557. The reversal of 1340333507 is 7053330431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1340333507 - 2¹² = 1340329411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1340333507.

It is not a weakly prime, because it can be changed into another prime (1340333557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670166753 + 670166754.

It is an arithmetic number, because the mean of its divisors is an integer number (670166754).

Almost surely, 2^1340333507 is an apocalyptic number.

1340333507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340333507 is an equidigital number, since it uses as much as digits as its factorization.

1340333507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 29.

The square root of 1340333507 is about 36610.5655105190. The cubic root of 1340333507 is about 1102.5652272260.

Adding to 1340333507 its reverse (7053330431), we get a palindrome (8393663938).

The spelling of 1340333507 in words is "one billion, three hundred forty million, three hundred thirty-three thousand, five hundred seven".