129388018589 has 8 divisors (see below), whose sum is σ = 138928644288. Its totient is φ = 120061789120.

The previous prime is 129388018583. The next prime is 129388018609. The reversal of 129388018589 is 985810883921.

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-129388018589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129388018583) 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, 53597807 + ... + 53600220.

It is an arithmetic number, because the mean of its divisors is an integer number (17366080536).

Almost surely, 2^129388018589 is an apocalyptic number.

It is an amenable number.

129388018589 is a deficient number, since it is larger than the sum of its proper divisors (9540625699).

129388018589 is a wasteful number, since it uses less digits than its factorization.

129388018589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107198115.

The product of its (nonzero) digits is 9953280, while the sum is 62.

The spelling of 129388018589 in words is "one hundred twenty-nine billion, three hundred eighty-eight million, eighteen thousand, five hundred eighty-nine".