1140430009 has 2 divisors, whose sum is σ = 1140430010. Its totient is φ = 1140430008.

The previous prime is 1140429977. The next prime is 1140430019. The reversal of 1140430009 is 9000340411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 900180009 + 240250000 = 30003^2 + 15500^2 .

It is an emirp because it is prime and its reverse (9000340411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1140430009 - 2⁵ = 1140429977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140430019) 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, 570215004 + 570215005.

It is an arithmetic number, because the mean of its divisors is an integer number (570215005).

Almost surely, 2^1140430009 is an apocalyptic number.

It is an amenable number.

1140430009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140430009 is an equidigital number, since it uses as much as digits as its factorization.

1140430009 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 22.

The square root of 1140430009 is about 33770.2533156031. The cubic root of 1140430009 is about 1044.7752571796.

The spelling of 1140430009 in words is "one billion, one hundred forty million, four hundred thirty thousand, nine".