129359 has 4 divisors (see below), whose sum is σ = 130104. Its totient is φ = 128616.

The previous prime is 129347. The next prime is 129361. The reversal of 129359 is 953921.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 953921 = 17 ⋅56113.

It is a cyclic number.

It is not a de Polignac number, because 129359 - 2¹⁶ = 63823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129379) 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, 44 + ... + 510.

It is an arithmetic number, because the mean of its divisors is an integer number (32526).

2¹²⁹³⁵⁹ is an apocalyptic number.

129359 is a deficient number, since it is larger than the sum of its proper divisors (745).

129359 is an equidigital number, since it uses as much as digits as its factorization.

129359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744.

The product of its digits is 2430, while the sum is 29.

The square root of 129359 is about 359.6651220233. The cubic root of 129359 is about 50.5745720479.

The spelling of 129359 in words is "one hundred twenty-nine thousand, three hundred fifty-nine".