1140235318 has 8 divisors (see below), whose sum is σ = 1710566712. Its totient is φ = 570046416.

The previous prime is 1140235309. The next prime is 1140235319. The reversal of 1140235318 is 8135320411.

It is a happy number.

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

It is a super-2 number, since 2×1140235318² = 2600273160829122248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140235319) 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 3 ways as a sum of consecutive naturals, for example, 12655 + ... + 49402.

It is an arithmetic number, because the mean of its divisors is an integer number (213820839).

Almost surely, 2^1140235318 is an apocalyptic number.

1140235318 is a deficient number, since it is larger than the sum of its proper divisors (570331394).

1140235318 is an equidigital number, since it uses as much as digits as its factorization.

1140235318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71246.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1140235318 is about 33767.3706112869. The cubic root of 1140235318 is about 1044.7158000993.

Adding to 1140235318 its reverse (8135320411), we get a palindrome (9275555729).

The spelling of 1140235318 in words is "one billion, one hundred forty million, two hundred thirty-five thousand, three hundred eighteen".