129932272039 has 4 divisors (see below), whose sum is σ = 131218730280. Its totient is φ = 128645813800.

The previous prime is 129932272031. The next prime is 129932272061. The reversal of 129932272039 is 930272239921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930272239921 = 23 ⋅40446619127.

It is a cyclic number.

It is not a de Polignac number, because 129932272039 - 2³ = 129932272031 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129932271983 and 129932272001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129932272031) 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, 643228969 + ... + 643229170.

It is an arithmetic number, because the mean of its divisors is an integer number (32804682570).

Almost surely, 2^129932272039 is an apocalyptic number.

129932272039 is a deficient number, since it is larger than the sum of its proper divisors (1286458241).

129932272039 is a wasteful number, since it uses less digits than its factorization.

129932272039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286458240.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 129932272039 in words is "one hundred twenty-nine billion, nine hundred thirty-two million, two hundred seventy-two thousand, thirty-nine".