1140432263 has 2 divisors, whose sum is σ = 1140432264. Its totient is φ = 1140432262.

The previous prime is 1140432239. The next prime is 1140432281. The reversal of 1140432263 is 3622340411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1140432263 - 2¹⁰ = 1140431239 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140432563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570216131 + 570216132.

It is an arithmetic number, because the mean of its divisors is an integer number (570216132).

Almost surely, 2^1140432263 is an apocalyptic number.

1140432263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140432263 is an equidigital number, since it uses as much as digits as its factorization.

1140432263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1140432263 is about 33770.2866881524. The cubic root of 1140432263 is about 1044.7759454936.

Adding to 1140432263 its reverse (3622340411), we get a palindrome (4762772674).

The spelling of 1140432263 in words is "one billion, one hundred forty million, four hundred thirty-two thousand, two hundred sixty-three".