134204305 has 8 divisors (see below), whose sum is σ = 161749800. Its totient is φ = 106893696.

The previous prime is 134204297. The next prime is 134204309. The reversal of 134204305 is 503402431.

It can be written as a sum of positive squares in 4 ways, for example, as 16785409 + 117418896 = 4097^2 + 10836^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134204305 - 2³ = 134204297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134204309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57460 + ... + 59749.

It is an arithmetic number, because the mean of its divisors is an integer number (20218725).

Almost surely, 2^134204305 is an apocalyptic number.

It is an amenable number.

134204305 is a deficient number, since it is larger than the sum of its proper divisors (27545495).

134204305 is a wasteful number, since it uses less digits than its factorization.

134204305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117443.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 134204305 is about 11584.6581736364. The cubic root of 134204305 is about 511.9829312038.

Adding to 134204305 its reverse (503402431), we get a palindrome (637606736).

The spelling of 134204305 in words is "one hundred thirty-four million, two hundred four thousand, three hundred five".