129102316 has 24 divisors (see below), whose sum is σ = 267109920. Its totient is φ = 53421312.

The previous prime is 129102313. The next prime is 129102331. The reversal of 129102316 is 613201921.

It is not an unprimeable number, because it can be changed into a prime (129102313) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 78685 + ... + 80308.

It is an arithmetic number, because the mean of its divisors is an integer number (11129580).

Almost surely, 2^129102316 is an apocalyptic number.

It is an amenable number.

129102316 is an abundant number, since it is smaller than the sum of its proper divisors (138007604).

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

129102316 is a wasteful number, since it uses less digits than its factorization.

129102316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159033 (or 159031 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 129102316 is about 11362.3200095755. The cubic root of 129102316 is about 505.4109858940.

The spelling of 129102316 in words is "one hundred twenty-nine million, one hundred two thousand, three hundred sixteen".