129541306 has 8 divisors (see below), whose sum is σ = 198446400. Its totient is φ = 63392508.

The previous prime is 129541303. The next prime is 129541319. The reversal of 129541306 is 603145921.

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

It is not an unprimeable number, because it can be changed into a prime (129541303) 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, 688956 + ... + 689143.

It is an arithmetic number, because the mean of its divisors is an integer number (24805800).

Almost surely, 2^129541306 is an apocalyptic number.

129541306 is a deficient number, since it is larger than the sum of its proper divisors (68905094).

129541306 is a wasteful number, since it uses less digits than its factorization.

129541306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378148.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 129541306 is about 11381.6214134894. The cubic root of 129541306 is about 505.9831919094.

The spelling of 129541306 in words is "one hundred twenty-nine million, five hundred forty-one thousand, three hundred six".