129534029103 has 8 divisors (see below), whose sum is σ = 172718364208. Its totient is φ = 86352856704.

The previous prime is 129534029071. The next prime is 129534029113. The reversal of 129534029103 is 301920435921.

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

It is not a de Polignac number, because 129534029103 - 2⁵ = 129534029071 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 (129534029113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693400 + ... + 860157.

It is an arithmetic number, because the mean of its divisors is an integer number (21589795526).

Almost surely, 2^129534029103 is an apocalyptic number.

129534029103 is a deficient number, since it is larger than the sum of its proper divisors (43184335105).

129534029103 is a wasteful number, since it uses less digits than its factorization.

129534029103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581353.

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 129534029103 in words is "one hundred twenty-nine billion, five hundred thirty-four million, twenty-nine thousand, one hundred three".