1134240443 has 4 divisors (see below), whose sum is σ = 1296274800. Its totient is φ = 972206088.

The previous prime is 1134240421. The next prime is 1134240449. The reversal of 1134240443 is 3440424311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3440424311 = 131 ⋅26262781.

It is not a de Polignac number, because 1134240443 - 2⁶ = 1134240379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1134240449) 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, 81017168 + ... + 81017181.

It is an arithmetic number, because the mean of its divisors is an integer number (324068700).

Almost surely, 2^1134240443 is an apocalyptic number.

1134240443 is a deficient number, since it is larger than the sum of its proper divisors (162034357).

1134240443 is an equidigital number, since it uses as much as digits as its factorization.

1134240443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162034356.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1134240443 is about 33678.4863525664. The cubic root of 1134240443 is about 1042.8816907508.

Adding to 1134240443 its reverse (3440424311), we get a palindrome (4574664754).

The spelling of 1134240443 in words is "one billion, one hundred thirty-four million, two hundred forty thousand, four hundred forty-three".