1140104309 has 2 divisors, whose sum is σ = 1140104310. Its totient is φ = 1140104308.

The previous prime is 1140104299. The next prime is 1140104311. The reversal of 1140104309 is 9034010411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 854392900 + 285711409 = 29230^2 + 16903^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140104309 - 2⁴ = 1140104293 is a prime.

Together with 1140104311, 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 (1140104809) 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, 570052154 + 570052155.

It is an arithmetic number, because the mean of its divisors is an integer number (570052155).

Almost surely, 2^1140104309 is an apocalyptic number.

It is an amenable number.

1140104309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140104309 is an equidigital number, since it uses as much as digits as its factorization.

1140104309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1140104309 is about 33765.4306799129. The cubic root of 1140104309 is about 1044.6757871849.

The spelling of 1140104309 in words is "one billion, one hundred forty million, one hundred four thousand, three hundred nine".