1140008939 has 2 divisors, whose sum is σ = 1140008940. Its totient is φ = 1140008938.

The previous prime is 1140008861. The next prime is 1140008941. The reversal of 1140008939 is 9398000411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1140008939 - 2¹² = 1140004843 is a prime.

Together with 1140008941, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1140008899 and 1140008908.

It is not a weakly prime, because it can be changed into another prime (1140008999) 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, 570004469 + 570004470.

It is an arithmetic number, because the mean of its divisors is an integer number (570004470).

Almost surely, 2^1140008939 is an apocalyptic number.

1140008939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140008939 is an equidigital number, since it uses as much as digits as its factorization.

1140008939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1140008939 is about 33764.0184071742. The cubic root of 1140008939 is about 1044.6466572456.

The spelling of 1140008939 in words is "one billion, one hundred forty million, eight thousand, nine hundred thirty-nine".