1140002891 has 2 divisors, whose sum is σ = 1140002892. Its totient is φ = 1140002890.

The previous prime is 1140002863. The next prime is 1140002911. The reversal of 1140002891 is 1982000411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1140002891 - 2¹⁰ = 1140001867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1140002891.

It is not a weakly prime, because it can be changed into another prime (1140802891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570001445 + 570001446.

It is an arithmetic number, because the mean of its divisors is an integer number (570001446).

Almost surely, 2^1140002891 is an apocalyptic number.

1140002891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140002891 is an equidigital number, since it uses as much as digits as its factorization.

1140002891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 1140002891 is about 33763.9288442563. The cubic root of 1140002891 is about 1044.6448098817.

The spelling of 1140002891 in words is "one billion, one hundred forty million, two thousand, eight hundred ninety-one".