129332361 has 8 divisors (see below), whose sum is σ = 173542144. Its totient is φ = 85672080.

The previous prime is 129332351. The next prime is 129332369. The reversal of 129332361 is 163233921.

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

It is not a de Polignac number, because 129332361 - 2⁷ = 129332233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129332369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136825 + ... + 137766.

It is an arithmetic number, because the mean of its divisors is an integer number (21692768).

Almost surely, 2^129332361 is an apocalyptic number.

It is an amenable number.

129332361 is a deficient number, since it is larger than the sum of its proper divisors (44209783).

129332361 is a wasteful number, since it uses less digits than its factorization.

129332361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274751.

The product of its digits is 5832, while the sum is 30.

The square root of 129332361 is about 11372.4386566822. The cubic root of 129332361 is about 505.7110018916.

The spelling of 129332361 in words is "one hundred twenty-nine million, three hundred thirty-two thousand, three hundred sixty-one".