129395082 has 8 divisors (see below), whose sum is σ = 258790176. Its totient is φ = 43131692.

The previous prime is 129395059. The next prime is 129395087. The reversal of 129395082 is 280593921.

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

129395082 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 129395082.

It is not an unprimeable number, because it can be changed into a prime (129395087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10782918 + ... + 10782929.

It is an arithmetic number, because the mean of its divisors is an integer number (32348772).

Almost surely, 2^129395082 is an apocalyptic number.

129395082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

129395082 is a wasteful number, since it uses less digits than its factorization.

129395082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21565852.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 129395082 is about 11375.1959104008. The cubic root of 129395082 is about 505.7927385207.

The spelling of 129395082 in words is "one hundred twenty-nine million, three hundred ninety-five thousand, eighty-two".