128134 has 4 divisors (see below), whose sum is σ = 192204. Its totient is φ = 64066.

The previous prime is 128119. The next prime is 128147. The reversal of 128134 is 431821.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32032 + ... + 32035.

It is an arithmetic number, because the mean of its divisors is an integer number (48051).

2¹²⁸¹³⁴ is an apocalyptic number.

128134 is a deficient number, since it is larger than the sum of its proper divisors (64070).

128134 is an equidigital number, since it uses as much as digits as its factorization.

128134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64069.

The product of its digits is 192, while the sum is 19.

The square root of 128134 is about 357.9580981065. The cubic root of 128134 is about 50.4144222604.

Adding to 128134 its reverse (431821), we get a palindrome (559955).

It can be divided in two parts, 128 and 134, that added together give a palindrome (262).

The spelling of 128134 in words is "one hundred twenty-eight thousand, one hundred thirty-four".