1132443989 has 8 divisors (see below), whose sum is σ = 1138570368. Its totient is φ = 1126334160.

The previous prime is 1132443973. The next prime is 1132444007. The reversal of 1132443989 is 9893442311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1132443989 - 2⁴ = 1132443973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132443289) 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 7 ways as a sum of consecutive naturals, for example, 147719 + ... + 155195.

It is an arithmetic number, because the mean of its divisors is an integer number (142321296).

Almost surely, 2^1132443989 is an apocalyptic number.

It is an amenable number.

1132443989 is a deficient number, since it is larger than the sum of its proper divisors (6126379).

1132443989 is an equidigital number, since it uses as much as digits as its factorization.

1132443989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8275.

The product of its digits is 186624, while the sum is 44.

The square root of 1132443989 is about 33651.8051373177. The cubic root of 1132443989 is about 1042.3308143268.

The spelling of 1132443989 in words is "one billion, one hundred thirty-two million, four hundred forty-three thousand, nine hundred eighty-nine".