1081133189 has 8 divisors (see below), whose sum is σ = 1094850048. Its totient is φ = 1067475600.

The previous prime is 1081133111. The next prime is 1081133203. The reversal of 1081133189 is 9813311801.

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 1081133189 - 2²⁴ = 1064355973 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 (1081133689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22484 + ... + 51650.

It is an arithmetic number, because the mean of its divisors is an integer number (136856256).

Almost surely, 2^1081133189 is an apocalyptic number.

It is an amenable number.

1081133189 is a deficient number, since it is larger than the sum of its proper divisors (13716859).

1081133189 is a wasteful number, since it uses less digits than its factorization.

1081133189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29635.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 1081133189 is about 32880.5898517651. The cubic root of 1081133189 is about 1026.3442807113.

The spelling of 1081133189 in words is "one billion, eighty-one million, one hundred thirty-three thousand, one hundred eighty-nine".