129806116139 has 12 divisors (see below), whose sum is σ = 155869887168. Its totient is φ = 107673274800.

The previous prime is 129806116129. The next prime is 129806116157. The reversal of 129806116139 is 931611608921.

It is not a de Polignac number, because 129806116139 - 2⁴ = 129806116123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129806116093 and 129806116102.

It is not an unprimeable number, because it can be changed into a prime (129806116109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42725972 + ... + 42729009.

It is an arithmetic number, because the mean of its divisors is an integer number (12989157264).

Almost surely, 2^129806116139 is an apocalyptic number.

129806116139 is a deficient number, since it is larger than the sum of its proper divisors (26063771029).

129806116139 is an equidigital number, since it uses as much as digits as its factorization.

129806116139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85455026 (or 85455019 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 47.

The spelling of 129806116139 in words is "one hundred twenty-nine billion, eight hundred six million, one hundred sixteen thousand, one hundred thirty-nine".