129344479316 has 24 divisors (see below), whose sum is σ = 243784945824. Its totient is φ = 59692468320.

The previous prime is 129344479283. The next prime is 129344479333. The reversal of 129344479316 is 613974443921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566231 + ... + 761121.

It is an arithmetic number, because the mean of its divisors is an integer number (10157706076).

Almost surely, 2^129344479316 is an apocalyptic number.

It is an amenable number.

129344479316 is a deficient number, since it is larger than the sum of its proper divisors (114440466508).

129344479316 is a wasteful number, since it uses less digits than its factorization.

129344479316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207671 (or 207669 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 53.

The spelling of 129344479316 in words is "one hundred twenty-nine billion, three hundred forty-four million, four hundred seventy-nine thousand, three hundred sixteen".