129334434886 has 8 divisors (see below), whose sum is σ = 194003498664. Its totient is φ = 64666602000.

The previous prime is 129334434881. The next prime is 129334434893. The reversal of 129334434886 is 688434433921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129334434881) 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, 28386 + ... + 509386.

It is an arithmetic number, because the mean of its divisors is an integer number (24250437333).

Almost surely, 2^129334434886 is an apocalyptic number.

129334434886 is a deficient number, since it is larger than the sum of its proper divisors (64669063778).

129334434886 is a wasteful number, since it uses less digits than its factorization.

129334434886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615446.

The product of its digits is 11943936, while the sum is 55.

The spelling of 129334434886 in words is "one hundred twenty-nine billion, three hundred thirty-four million, four hundred thirty-four thousand, eight hundred eighty-six".