1140535443 has 4 divisors (see below), whose sum is σ = 1520713928. Its totient is φ = 760356960.

The previous prime is 1140535441. The next prime is 1140535469. The reversal of 1140535443 is 3445350411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3445350411 = 3 ⋅1148450137.

It is not a de Polignac number, because 1140535443 - 2¹ = 1140535441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1140535443.

It is not an unprimeable number, because it can be changed into a prime (1140535441) 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, 190089238 + ... + 190089243.

It is an arithmetic number, because the mean of its divisors is an integer number (380178482).

Almost surely, 2^1140535443 is an apocalyptic number.

1140535443 is a deficient number, since it is larger than the sum of its proper divisors (380178485).

1140535443 is an equidigital number, since it uses as much as digits as its factorization.

1140535443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380178484.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1140535443 is about 33771.8143279274. The cubic root of 1140535443 is about 1044.8074530587.

Adding to 1140535443 its reverse (3445350411), we get a palindrome (4585885854).

The spelling of 1140535443 in words is "one billion, one hundred forty million, five hundred thirty-five thousand, four hundred forty-three".