129672555382 has 8 divisors (see below), whose sum is σ = 194928939936. Its totient is φ = 64696242072.

The previous prime is 129672555377. The next prime is 129672555407. The reversal of 129672555382 is 283555276921.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70016653 + ... + 70018504.

It is an arithmetic number, because the mean of its divisors is an integer number (24366117492).

Almost surely, 2^129672555382 is an apocalyptic number.

129672555382 is a deficient number, since it is larger than the sum of its proper divisors (65256384554).

129672555382 is a wasteful number, since it uses less digits than its factorization.

129672555382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140035622.

The product of its digits is 9072000, while the sum is 55.

The spelling of 129672555382 in words is "one hundred twenty-nine billion, six hundred seventy-two million, five hundred fifty-five thousand, three hundred eighty-two".