1140665039 has 2 divisors, whose sum is σ = 1140665040. Its totient is φ = 1140665038.

The previous prime is 1140665027. The next prime is 1140665041. The reversal of 1140665039 is 9305660411.

It is a strong prime.

It is an emirp because it is prime and its reverse (9305660411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1140665039 - 2¹² = 1140660943 is a prime.

It is a super-2 number, since 2×1140665039² = 2602233462393743042, which contains 22 as substring.

Together with 1140665041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140665839) 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, 570332519 + 570332520.

It is an arithmetic number, because the mean of its divisors is an integer number (570332520).

Almost surely, 2^1140665039 is an apocalyptic number.

1140665039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140665039 is an equidigital number, since it uses as much as digits as its factorization.

1140665039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1140665039 is about 33773.7329740140. The cubic root of 1140665039 is about 1044.8470244545.

The spelling of 1140665039 in words is "one billion, one hundred forty million, six hundred sixty-five thousand, thirty-nine".