129982039 has 16 divisors (see below), whose sum is σ = 152745984. Its totient is φ = 109375200.

The previous prime is 129982007. The next prime is 129982057. The reversal of 129982039 is 930289921.

It is not a de Polignac number, because 129982039 - 2⁵ = 129982007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129981986 and 129982004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129982939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444 + ... + 16129.

It is an arithmetic number, because the mean of its divisors is an integer number (9546624).

Almost surely, 2^129982039 is an apocalyptic number.

129982039 is a deficient number, since it is larger than the sum of its proper divisors (22763945).

129982039 is a wasteful number, since it uses less digits than its factorization.

129982039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16638.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 129982039 is about 11400.9665818298. The cubic root of 129982039 is about 506.5563708919.

It can be divided in two parts, 1299 and 82039, that added together give a palindrome (83338).

The spelling of 129982039 in words is "one hundred twenty-nine million, nine hundred eighty-two thousand, thirty-nine".