134871 has 16 divisors (see below), whose sum is σ = 202368. Its totient is φ = 79200.

The previous prime is 134867. The next prime is 134873. The reversal of 134871 is 178431.

It is not a de Polignac number, because 134871 - 2² = 134867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1980 + ... + 2046.

It is an arithmetic number, because the mean of its divisors is an integer number (12648).

2¹³⁴⁸⁷¹ is an apocalyptic number.

134871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134871 is a deficient number, since it is larger than the sum of its proper divisors (67497).

134871 is a wasteful number, since it uses less digits than its factorization.

134871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142.

The product of its digits is 672, while the sum is 24.

The square root of 134871 is about 367.2478726964. The cubic root of 134871 is about 51.2829334229.

It can be divided in two parts, 13 and 4871, that added together give a palindrome (4884).

The spelling of 134871 in words is "one hundred thirty-four thousand, eight hundred seventy-one".