129534 has 8 divisors (see below), whose sum is σ = 259080. Its totient is φ = 43176.

The previous prime is 129533. The next prime is 129539. The reversal of 129534 is 435921.

It is a sphenic number, since it is the product of 3 distinct primes.

129534 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10789 + ... + 10800.

It is an arithmetic number, because the mean of its divisors is an integer number (32385).

2¹²⁹⁵³⁴ is an apocalyptic number.

129534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129534 is a wasteful number, since it uses less digits than its factorization.

129534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21594.

The product of its digits is 1080, while the sum is 24.

The square root of 129534 is about 359.9083216598. The cubic root of 129534 is about 50.5973679415.

It can be divided in two parts, 129 and 534, that multiplied together give a palindrome (68886).

The spelling of 129534 in words is "one hundred twenty-nine thousand, five hundred thirty-four".