134869 has 4 divisors (see below), whose sum is σ = 154144. Its totient is φ = 115596.

The previous prime is 134867. The next prime is 134873. The reversal of 134869 is 968431.

134869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 134869 - 2¹ = 134867 is a prime.

It is a super-2 number, since 2×134869² = 36379294322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9627 + ... + 9640.

It is an arithmetic number, because the mean of its divisors is an integer number (38536).

2¹³⁴⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

134869 is a deficient number, since it is larger than the sum of its proper divisors (19275).

134869 is an equidigital number, since it uses as much as digits as its factorization.

134869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19274.

The product of its digits is 5184, while the sum is 31.

The square root of 134869 is about 367.2451497297. The cubic root of 134869 is about 51.2826799303.

The spelling of 134869 in words is "one hundred thirty-four thousand, eight hundred sixty-nine".