229137 has 4 divisors (see below), whose sum is σ = 305520. Its totient is φ = 152756.

The previous prime is 229133. The next prime is 229139. The reversal of 229137 is 731922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 229137 - 2² = 229133 is a prime.

It is a D-number.

229137 is a lucky 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38187 + ... + 38192.

It is an arithmetic number, because the mean of its divisors is an integer number (76380).

2²²⁹¹³⁷ is an apocalyptic number.

It is an amenable number.

229137 is a deficient number, since it is larger than the sum of its proper divisors (76383).

229137 is an equidigital number, since it uses as much as digits as its factorization.

229137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76382.

The product of its digits is 756, while the sum is 24.

The square root of 229137 is about 478.6825670525. The cubic root of 229137 is about 61.1925297388.

The spelling of 229137 in words is "two hundred twenty-nine thousand, one hundred thirty-seven".