1133333189 has 2 divisors, whose sum is σ = 1133333190. Its totient is φ = 1133333188.

The previous prime is 1133333171. The next prime is 1133333191. The reversal of 1133333189 is 9813333311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 821280964 + 312052225 = 28658^2 + 17665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133333189 is a prime.

Together with 1133333191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133330189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566666594 + 566666595.

It is an arithmetic number, because the mean of its divisors is an integer number (566666595).

Almost surely, 2^1133333189 is an apocalyptic number.

It is an amenable number.

1133333189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133333189 is an equidigital number, since it uses as much as digits as its factorization.

1133333189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 35.

The square root of 1133333189 is about 33665.0143175374. The cubic root of 1133333189 is about 1042.6035571993.

The spelling of 1133333189 in words is "one billion, one hundred thirty-three million, three hundred thirty-three thousand, one hundred eighty-nine".