1140043135 has 64 divisors (see below), whose sum is σ = 1791590400. Its totient is φ = 675676800.

The previous prime is 1140043129. The next prime is 1140043141. The reversal of 1140043135 is 5313400411.

It is an interprime number because it is at equal distance from previous prime (1140043129) and next prime (1140043141).

It is not a de Polignac number, because 1140043135 - 2²³ = 1131654527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 703356 + ... + 704974.

It is an arithmetic number, because the mean of its divisors is an integer number (27993600).

Almost surely, 2^1140043135 is an apocalyptic number.

1140043135 is a deficient number, since it is larger than the sum of its proper divisors (651547265).

1140043135 is a wasteful number, since it uses less digits than its factorization.

1140043135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1140043135 is about 33764.5248004470. The cubic root of 1140043135 is about 1044.6571023040.

Adding to 1140043135 its reverse (5313400411), we get a palindrome (6453443546).

The spelling of 1140043135 in words is "one billion, one hundred forty million, forty-three thousand, one hundred thirty-five".