129330008 has 16 divisors (see below), whose sum is σ = 242629080. Its totient is φ = 64628928.

The previous prime is 129330007. The next prime is 129330011. The reversal of 129330008 is 800033921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129330001) 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, 16460 + ... + 23012.

Almost surely, 2^129330008 is an apocalyptic number.

It is an amenable number.

129330008 is a deficient number, since it is larger than the sum of its proper divisors (113299072).

129330008 is a wasteful number, since it uses less digits than its factorization.

129330008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9026 (or 9022 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 129330008 is about 11372.3352043457. The cubic root of 129330008 is about 505.7079349994.

Adding to 129330008 its reverse (800033921), we get a palindrome (929363929).

The spelling of 129330008 in words is "one hundred twenty-nine million, three hundred thirty thousand, eight".