129134 has 4 divisors (see below), whose sum is σ = 193704. Its totient is φ = 64566.

The previous prime is 129127. The next prime is 129169. The reversal of 129134 is 431921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431921 = 7 ⋅61703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32282 + ... + 32285.

It is an arithmetic number, because the mean of its divisors is an integer number (48426).

2¹²⁹¹³⁴ is an apocalyptic number.

129134 is a deficient number, since it is larger than the sum of its proper divisors (64570).

129134 is an equidigital number, since it uses as much as digits as its factorization.

129134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64569.

The product of its digits is 216, while the sum is 20.

The square root of 129134 is about 359.3521949286. The cubic root of 129134 is about 50.5452328121.

The spelling of 129134 in words is "one hundred twenty-nine thousand, one hundred thirty-four".