1140244663 has 8 divisors (see below), whose sum is σ = 1200569600. Its totient is φ = 1079950968.

The previous prime is 1140244657. The next prime is 1140244669. The reversal of 1140244663 is 3664420411.

It is an interprime number because it is at equal distance from previous prime (1140244657) and next prime (1140244669).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1140244663 - 2⁹ = 1140244151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140244669) 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 in 7 ways as a sum of consecutive naturals, for example, 126418 + ... + 135136.

It is an arithmetic number, because the mean of its divisors is an integer number (150071200).

Almost surely, 2^1140244663 is an apocalyptic number.

1140244663 is a deficient number, since it is larger than the sum of its proper divisors (60324937).

1140244663 is an equidigital number, since it uses as much as digits as its factorization.

1140244663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15621.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1140244663 is about 33767.5089842292. The cubic root of 1140244663 is about 1044.7186541425.

It can be divided in two parts, 11402 and 44663, that added together give a palindrome (56065).

The spelling of 1140244663 in words is "one billion, one hundred forty million, two hundred forty-four thousand, six hundred sixty-three".