134304385 has 8 divisors (see below), whose sum is σ = 164206440. Its totient is φ = 105416064.

The previous prime is 134304349. The next prime is 134304389. The reversal of 134304385 is 583403431.

It can be written as a sum of positive squares in 4 ways, for example, as 30019441 + 104284944 = 5479^2 + 10212^2 .

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 134304385 - 2¹⁷ = 134173313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134304389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253140 + ... + 253669.

It is an arithmetic number, because the mean of its divisors is an integer number (20525805).

Almost surely, 2^134304385 is an apocalyptic number.

It is an amenable number.

134304385 is a deficient number, since it is larger than the sum of its proper divisors (29902055).

134304385 is an equidigital number, since it uses as much as digits as its factorization.

134304385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506867.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 134304385 is about 11588.9768745994. The cubic root of 134304385 is about 512.1101663676.

It can be divided in two parts, 134304 and 385, that added together give a square (134689 = 367²).

The spelling of 134304385 in words is "one hundred thirty-four million, three hundred four thousand, three hundred eighty-five".