129344 has 28 divisors (see below), whose sum is σ = 268224. Its totient is φ = 61824.

The previous prime is 129341. The next prime is 129347. The reversal of 129344 is 443921.

It is an interprime number because it is at equal distance from previous prime (129341) and next prime (129347).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129341) 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, 2729 + ... + 2775.

2¹²⁹³⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134112).

129344 is an abundant number, since it is smaller than the sum of its proper divisors (138880).

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

129344 is an equidigital number, since it uses as much as digits as its factorization.

129344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 92 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 129344 is about 359.6442686878. The cubic root of 129344 is about 50.5726171577.

The spelling of 129344 in words is "one hundred twenty-nine thousand, three hundred forty-four".