109000189 has 2 divisors, whose sum is σ = 109000190. Its totient is φ = 109000188.

The previous prime is 109000159. The next prime is 109000231. The reversal of 109000189 is 981000901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108264025 + 736164 = 10405^2 + 858^2 .

It is a cyclic number.

It is not a de Polignac number, because 109000189 - 2⁹ = 108999677 is a prime.

109000189 is a modest number, since divided by 189 gives 109 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109000159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54500094 + 54500095.

It is an arithmetic number, because the mean of its divisors is an integer number (54500095).

Almost surely, 2^109000189 is an apocalyptic number.

It is an amenable number.

109000189 is a deficient number, since it is larger than the sum of its proper divisors (1).

109000189 is an equidigital number, since it uses as much as digits as its factorization.

109000189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 109000189 is about 10440.3155603650. The cubic root of 109000189 is about 477.6858941969.

The spelling of 109000189 in words is "one hundred nine million, one hundred eighty-nine", and thus it is an aban number.