134954189 has 2 divisors, whose sum is σ = 134954190. Its totient is φ = 134954188.

The previous prime is 134954153. The next prime is 134954213. The reversal of 134954189 is 981459431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126945289 + 8008900 = 11267^2 + 2830^2 .

It is an emirp because it is prime and its reverse (981459431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134954189 - 2¹⁶ = 134888653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134954089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67477094 + 67477095.

It is an arithmetic number, because the mean of its divisors is an integer number (67477095).

Almost surely, 2^134954189 is an apocalyptic number.

It is an amenable number.

134954189 is a deficient number, since it is larger than the sum of its proper divisors (1).

134954189 is an equidigital number, since it uses as much as digits as its factorization.

134954189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 44.

The square root of 134954189 is about 11616.9784797941. The cubic root of 134954189 is about 512.9347509878.

The spelling of 134954189 in words is "one hundred thirty-four million, nine hundred fifty-four thousand, one hundred eighty-nine".