134289 has 12 divisors (see below), whose sum is σ = 199056. Its totient is φ = 87192.

The previous prime is 134287. The next prime is 134291. The reversal of 134289 is 982431.

It is an interprime number because it is at equal distance from previous prime (134287) and next prime (134291).

It is not a de Polignac number, because 134289 - 2¹ = 134287 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

134289 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (134287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214 + ... + 560.

It is an arithmetic number, because the mean of its divisors is an integer number (16588).

2¹³⁴²⁸⁹ is an apocalyptic number.

It is an amenable number.

134289 is a deficient number, since it is larger than the sum of its proper divisors (64767).

134289 is a wasteful number, since it uses less digits than its factorization.

134289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 393 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 134289 is about 366.4546356645. The cubic root of 134289 is about 51.2090610998.

It can be divided in two parts, 1342 and 89, that added together give a triangular number (1431 = T₅₃).

The spelling of 134289 in words is "one hundred thirty-four thousand, two hundred eighty-nine".