129074085019 has 8 divisors (see below), whose sum is σ = 140836320000. Its totient is φ = 117316554600.

The previous prime is 129074085017. The next prime is 129074085031. The reversal of 129074085019 is 910580470921.

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

It is a cyclic number.

It is not a de Polignac number, because 129074085019 - 2¹ = 129074085017 is a prime.

It is a super-2 number, since 2×129074085019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 129074085019.

It is not an unprimeable number, because it can be changed into a prime (129074085017) 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, 1118647 + ... + 1228624.

It is an arithmetic number, because the mean of its divisors is an integer number (17604540000).

Almost surely, 2^129074085019 is an apocalyptic number.

129074085019 is a deficient number, since it is larger than the sum of its proper divisors (11762234981).

129074085019 is a wasteful number, since it uses less digits than its factorization.

129074085019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352281.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 129074085019 in words is "one hundred twenty-nine billion, seventy-four million, eighty-five thousand, nineteen".