134566906189 has 4 divisors (see below), whose sum is σ = 134631325180. Its totient is φ = 134502487200.

The previous prime is 134566906169. The next prime is 134566906213. The reversal of 134566906189 is 981609665431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 981609665431 = 598721 ⋅1639511.

It can be written as a sum of positive squares in 2 ways, for example, as 130357102500 + 4209803689 = 361050^2 + 64883^2 .

It is a cyclic number.

It is not a de Polignac number, because 134566906189 - 2⁵ = 134566906157 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 (134566906169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32206362 + ... + 32210539.

It is an arithmetic number, because the mean of its divisors is an integer number (33657831295).

Almost surely, 2^134566906189 is an apocalyptic number.

It is an amenable number.

134566906189 is a deficient number, since it is larger than the sum of its proper divisors (64418991).

134566906189 is an equidigital number, since it uses as much as digits as its factorization.

134566906189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64418990.

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 134566906189 in words is "one hundred thirty-four billion, five hundred sixty-six million, nine hundred six thousand, one hundred eighty-nine".