229135 has 4 divisors (see below), whose sum is σ = 274968. Its totient is φ = 183304.

The previous prime is 229133. The next prime is 229139. The reversal of 229135 is 531922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531922 = 2 ⋅265961.

It is a cyclic number.

It is not a de Polignac number, because 229135 - 2¹ = 229133 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229133) 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 in 3 ways as a sum of consecutive naturals, for example, 22909 + ... + 22918.

It is an arithmetic number, because the mean of its divisors is an integer number (68742).

2²²⁹¹³⁵ is an apocalyptic number.

229135 is a deficient number, since it is larger than the sum of its proper divisors (45833).

229135 is an equidigital number, since it uses as much as digits as its factorization.

229135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45832.

The product of its digits is 540, while the sum is 22.

The square root of 229135 is about 478.6804779809. The cubic root of 229135 is about 61.1923517006.

The spelling of 229135 in words is "two hundred twenty-nine thousand, one hundred thirty-five".