1140665033 has 4 divisors (see below), whose sum is σ = 1179998340. Its totient is φ = 1101331728.

The previous prime is 1140665027. The next prime is 1140665039. The reversal of 1140665033 is 3305660411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3305660411 = 101 ⋅32729311.

It is an interprime number because it is at equal distance from previous prime (1140665027) and next prime (1140665039).

It can be written as a sum of positive squares in 2 ways, for example, as 538796944 + 601868089 = 23212^2 + 24533^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140665033 - 2³⁰ = 66923209 is a prime.

It is a super-2 number, since 2×1140665033² = 2602233435017782178, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 39333277 = 1140665033 / (1 + 1 + 4 + 0 + 6 + 6 + 5 + 0 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140664987 and 1140665005.

It is not an unprimeable number, because it can be changed into a prime (1140665039) 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, 19666610 + ... + 19666667.

It is an arithmetic number, because the mean of its divisors is an integer number (294999585).

Almost surely, 2^1140665033 is an apocalyptic number.

It is an amenable number.

1140665033 is a deficient number, since it is larger than the sum of its proper divisors (39333307).

1140665033 is an equidigital number, since it uses as much as digits as its factorization.

1140665033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39333306.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1140665033 is about 33773.7328851876. The cubic root of 1140665033 is about 1044.8470226225.

The spelling of 1140665033 in words is "one billion, one hundred forty million, six hundred sixty-five thousand, thirty-three".