1140230518 has 8 divisors (see below), whose sum is σ = 1954680912. Its totient is φ = 488670216.

The previous prime is 1140230491. The next prime is 1140230551. The reversal of 1140230518 is 8150320411.

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

It is a junction number, because it is equal to n+sod(n) for n = 1140230492 and 1140230501.

It is a congruent number.

It is an unprimeable number.

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, 40722505 + ... + 40722532.

It is an arithmetic number, because the mean of its divisors is an integer number (244335114).

Almost surely, 2^1140230518 is an apocalyptic number.

1140230518 is a deficient number, since it is larger than the sum of its proper divisors (814450394).

1140230518 is an equidigital number, since it uses as much as digits as its factorization.

1140230518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81445046.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1140230518 is about 33767.2995366819. The cubic root of 1140230518 is about 1044.7143341321.

Adding to 1140230518 its reverse (8150320411), we get a palindrome (9290550929).

The spelling of 1140230518 in words is "one billion, one hundred forty million, two hundred thirty thousand, five hundred eighteen".