129139113128859 has 12 divisors (see below), whose sum is σ = 186534373957152. Its totient is φ = 86092696191600.

The previous prime is 129139113128747. The next prime is 129139113128867. The reversal of 129139113128859 is 958821311931921.

129139113128859 is a `hidden beast` number, since 1 + 2 + 91 + 3 + 91 + 131 + 288 + 59 = 666.

It is not a de Polignac number, because 129139113128859 - 2¹⁹ = 129139112604571 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 129139113128796 and 129139113128805.

It is not an unprimeable number, because it can be changed into a prime (129139113128659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27497649 + ... + 31849629.

It is an arithmetic number, because the mean of its divisors is an integer number (15544531163096).

Almost surely, 2^{129139113128859} is an apocalyptic number.

129139113128859 is a deficient number, since it is larger than the sum of its proper divisors (57395260828293).

129139113128859 is a wasteful number, since it uses less digits than its factorization.

129139113128859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649058 (or 7649055 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 63.

The spelling of 129139113128859 in words is "one hundred twenty-nine trillion, one hundred thirty-nine billion, one hundred thirteen million, one hundred twenty-eight thousand, eight hundred fifty-nine".