129288364 has 12 divisors (see below), whose sum is σ = 226493064. Its totient is φ = 64576064.

The previous prime is 129288361. The next prime is 129288371. The reversal of 129288364 is 463882921.

It is a self number, because there is not a number n which added to its sum of digits gives 129288364.

It is not an unprimeable number, because it can be changed into a prime (129288361) 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, 12634 + ... + 20449.

It is an arithmetic number, because the mean of its divisors is an integer number (18874422).

Almost surely, 2^129288364 is an apocalyptic number.

It is an amenable number.

129288364 is a deficient number, since it is larger than the sum of its proper divisors (97204700).

129288364 is a wasteful number, since it uses less digits than its factorization.

129288364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34064 (or 34062 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 129288364 is about 11370.5041225093. The cubic root of 129288364 is about 505.6536501964.

The spelling of 129288364 in words is "one hundred twenty-nine million, two hundred eighty-eight thousand, three hundred sixty-four".