129025351982 has 8 divisors (see below), whose sum is σ = 193853752536. Its totient is φ = 64407434472.

The previous prime is 129025351963. The next prime is 129025352003. The reversal of 129025351982 is 289153520921.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52619228 + ... + 52621679.

It is an arithmetic number, because the mean of its divisors is an integer number (24231719067).

Almost surely, 2^129025351982 is an apocalyptic number.

129025351982 is a deficient number, since it is larger than the sum of its proper divisors (64828400554).

129025351982 is a wasteful number, since it uses less digits than its factorization.

129025351982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105241522.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 129025351982 in words is "one hundred twenty-nine billion, twenty-five million, three hundred fifty-one thousand, nine hundred eighty-two".