134320189 has 2 divisors, whose sum is σ = 134320190. Its totient is φ = 134320188.

The previous prime is 134320183. The next prime is 134320201. The reversal of 134320189 is 981023431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83083225 + 51236964 = 9115^2 + 7158^2 .

It is an emirp because it is prime and its reverse (981023431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134320189 - 2⁵ = 134320157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134320189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134320183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67160094 + 67160095.

It is an arithmetic number, because the mean of its divisors is an integer number (67160095).

Almost surely, 2^134320189 is an apocalyptic number.

It is an amenable number.

134320189 is a deficient number, since it is larger than the sum of its proper divisors (1).

134320189 is an equidigital number, since it uses as much as digits as its factorization.

134320189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 134320189 is about 11589.6587093840. The cubic root of 134320189 is about 512.1302527597.

The spelling of 134320189 in words is "one hundred thirty-four million, three hundred twenty thousand, one hundred eighty-nine".