129471306 has 16 divisors (see below), whose sum is σ = 260593824. Its totient is φ = 42881904.

The previous prime is 129471289. The next prime is 129471313. The reversal of 129471306 is 603174921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67780 + ... + 69663.

It is an arithmetic number, because the mean of its divisors is an integer number (16287114).

Almost surely, 2^129471306 is an apocalyptic number.

129471306 is an abundant number, since it is smaller than the sum of its proper divisors (131122518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129471306 is a wasteful number, since it uses less digits than its factorization.

129471306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137605.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 129471306 is about 11378.5458649161. The cubic root of 129471306 is about 505.8920364158.

The spelling of 129471306 in words is "one hundred twenty-nine million, four hundred seventy-one thousand, three hundred six".