129595330 has 8 divisors (see below), whose sum is σ = 233271612. Its totient is φ = 51838128.

The previous prime is 129595307. The next prime is 129595337. The reversal of 129595330 is 33595921.

It can be written as a sum of positive squares in 2 ways, for example, as 129436129 + 159201 = 11377^2 + 399^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 129595330.

It is not an unprimeable number, because it can be changed into a prime (129595337) 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 3 ways as a sum of consecutive naturals, for example, 6479757 + ... + 6479776.

Almost surely, 2^129595330 is an apocalyptic number.

129595330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129595330 is a deficient number, since it is larger than the sum of its proper divisors (103676282).

129595330 is a wasteful number, since it uses less digits than its factorization.

129595330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12959540.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 129595330 is about 11383.9944659157. The cubic root of 129595330 is about 506.0535206658.

The spelling of 129595330 in words is "one hundred twenty-nine million, five hundred ninety-five thousand, three hundred thirty".