1140331133 has 4 divisors (see below), whose sum is σ = 1159025148. Its totient is φ = 1121637120.

The previous prime is 1140331111. The next prime is 1140331169. The reversal of 1140331133 is 3311330411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3311330411 = 1487 ⋅2226853.

It can be written as a sum of positive squares in 2 ways, for example, as 339554329 + 800776804 = 18427^2 + 28298^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140331133 - 2²⁴ = 1123553917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140331183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9346916 + ... + 9347037.

It is an arithmetic number, because the mean of its divisors is an integer number (289756287).

Almost surely, 2^1140331133 is an apocalyptic number.

It is an amenable number.

1140331133 is a deficient number, since it is larger than the sum of its proper divisors (18694015).

1140331133 is an equidigital number, since it uses as much as digits as its factorization.

1140331133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18694014.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1140331133 is about 33768.7893327552. The cubic root of 1140331133 is about 1044.7450620827.

Adding to 1140331133 its reverse (3311330411), we get a palindrome (4451661544).

The spelling of 1140331133 in words is "one billion, one hundred forty million, three hundred thirty-one thousand, one hundred thirty-three".