168134 has 4 divisors (see below), whose sum is σ = 252204. Its totient is φ = 84066.

The previous prime is 168127. The next prime is 168143. The reversal of 168134 is 431861.

168134 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431861 = 31 ⋅13931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42032 + ... + 42035.

It is an arithmetic number, because the mean of its divisors is an integer number (63051).

2¹⁶⁸¹³⁴ is an apocalyptic number.

168134 is a deficient number, since it is larger than the sum of its proper divisors (84070).

168134 is an equidigital number, since it uses as much as digits as its factorization.

168134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84069.

The product of its digits is 576, while the sum is 23.

The square root of 168134 is about 410.0414613182. The cubic root of 168134 is about 55.1931500987.

Adding to 168134 its reverse (431861), we get a palindrome (599995).

The spelling of 168134 in words is "one hundred sixty-eight thousand, one hundred thirty-four".