165134 has 4 divisors (see below), whose sum is σ = 247704. Its totient is φ = 82566.

The previous prime is 165133. The next prime is 165161. The reversal of 165134 is 431561.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165133) by changing a digit.

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, 41282 + ... + 41285.

It is an arithmetic number, because the mean of its divisors is an integer number (61926).

2¹⁶⁵¹³⁴ is an apocalyptic number.

165134 is a deficient number, since it is larger than the sum of its proper divisors (82570).

165134 is an equidigital number, since it uses as much as digits as its factorization.

165134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82569.

The product of its digits is 360, while the sum is 20.

The square root of 165134 is about 406.3668293550. The cubic root of 165134 is about 54.8629092659.

Adding to 165134 its reverse (431561), we get a palindrome (596695).

The spelling of 165134 in words is "one hundred sixty-five thousand, one hundred thirty-four".