129038282238 has 8 divisors (see below), whose sum is σ = 258076564488. Its totient is φ = 43012760744.

The previous prime is 129038282209. The next prime is 129038282251. The reversal of 129038282238 is 832282830921.

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

129038282238 is an admirable number.

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, 10753190181 + ... + 10753190192.

It is an arithmetic number, because the mean of its divisors is an integer number (32259570561).

Almost surely, 2^129038282238 is an apocalyptic number.

129038282238 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.

129038282238 is a wasteful number, since it uses less digits than its factorization.

129038282238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21506380378.

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 129038282238 in words is "one hundred twenty-nine billion, thirty-eight million, two hundred eighty-two thousand, two hundred thirty-eight".