1140345115 has 16 divisors (see below), whose sum is σ = 1684202688. Its totient is φ = 721800576.

The previous prime is 1140345109. The next prime is 1140345121. The reversal of 1140345115 is 5115430411.

It is an interprime number because it is at equal distance from previous prime (1140345109) and next prime (1140345121).

It is a de Polignac number, because none of the positive numbers 2^k-1140345115 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1140345115.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1252672 + ... + 1253581.

It is an arithmetic number, because the mean of its divisors is an integer number (105262668).

Almost surely, 2^1140345115 is an apocalyptic number.

1140345115 is a deficient number, since it is larger than the sum of its proper divisors (543857573).

1140345115 is a wasteful number, since it uses less digits than its factorization.

1140345115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506278.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1140345115 is about 33768.9963576059. The cubic root of 1140345115 is about 1044.7493320604.

Adding to 1140345115 its reverse (5115430411), we get a palindrome (6255775526).

The spelling of 1140345115 in words is "one billion, one hundred forty million, three hundred forty-five thousand, one hundred fifteen".