129300418 has 32 divisors (see below), whose sum is σ = 212978304. Its totient is φ = 58516992.

The previous prime is 129300403. The next prime is 129300469. The reversal of 129300418 is 814003921.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421021 + ... + 421327.

It is an arithmetic number, because the mean of its divisors is an integer number (6655572).

Almost surely, 2^129300418 is an apocalyptic number.

129300418 is a deficient number, since it is larger than the sum of its proper divisors (83677886).

129300418 is a wasteful number, since it uses less digits than its factorization.

129300418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 129300418 is about 11371.0341658092. The cubic root of 129300418 is about 505.6693643192.

The spelling of 129300418 in words is "one hundred twenty-nine million, three hundred thousand, four hundred eighteen".