1133440443 has 6 divisors (see below), whose sum is σ = 1637191764. Its totient is φ = 755626956.

The previous prime is 1133440423. The next prime is 1133440481. The reversal of 1133440443 is 3440443311.

It is not a de Polignac number, because 1133440443 - 2¹² = 1133436347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1133440403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62968905 + ... + 62968922.

It is an arithmetic number, because the mean of its divisors is an integer number (272865294).

Almost surely, 2^1133440443 is an apocalyptic number.

1133440443 is a deficient number, since it is larger than the sum of its proper divisors (503751321).

1133440443 is a wasteful number, since it uses less digits than its factorization.

1133440443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125937833 (or 125937830 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1133440443 is about 33666.6072392215. The cubic root of 1133440443 is about 1042.6364454019.

Adding to 1133440443 its reverse (3440443311), we get a palindrome (4573883754).

The spelling of 1133440443 in words is "one billion, one hundred thirty-three million, four hundred forty thousand, four hundred forty-three".