129353018 has 8 divisors (see below), whose sum is σ = 200288640. Its totient is φ = 62590140.

The previous prime is 129352997. The next prime is 129353033. The reversal of 129353018 is 810353921.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043108 + ... + 1043231.

It is an arithmetic number, because the mean of its divisors is an integer number (25036080).

Almost surely, 2^129353018 is an apocalyptic number.

129353018 is a deficient number, since it is larger than the sum of its proper divisors (70935622).

129353018 is a wasteful number, since it uses less digits than its factorization.

129353018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086372.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 129353018 is about 11373.3468249236. The cubic root of 129353018 is about 505.7379245580.

The spelling of 129353018 in words is "one hundred twenty-nine million, three hundred fifty-three thousand, eighteen".