129329607 has 8 divisors (see below), whose sum is σ = 188115840. Its totient is φ = 78381560.

The previous prime is 129329597. The next prime is 129329609. The reversal of 129329607 is 706923921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129329607 is a prime.

It is a super-2 number, since 2×129329607² = 33452294493548898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129329609) 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, 1959507 + ... + 1959572.

It is an arithmetic number, because the mean of its divisors is an integer number (23514480).

Almost surely, 2^129329607 is an apocalyptic number.

129329607 is a deficient number, since it is larger than the sum of its proper divisors (58786233).

129329607 is a wasteful number, since it uses less digits than its factorization.

129329607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3919093.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 129329607 is about 11372.3175738281. The cubic root of 129329607 is about 505.7074123337.

The spelling of 129329607 in words is "one hundred twenty-nine million, three hundred twenty-nine thousand, six hundred seven".