129874356834795 has 24 divisors (see below), whose sum is σ = 225665956651200. Its totient is φ = 69096968320896.

The previous prime is 129874356834763. The next prime is 129874356834809. The reversal of 129874356834795 is 597438653478921.

129874356834795 is a `hidden beast` number, since 1 + 2 + 9 + 8 + 7 + 4 + 3 + 568 + 3 + 47 + 9 + 5 = 666.

It is not a de Polignac number, because 129874356834795 - 2⁵ = 129874356834763 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3528217315 + ... + 3528254124.

It is an arithmetic number, because the mean of its divisors is an integer number (9402748193800).

Almost surely, 2^{129874356834795} is an apocalyptic number.

129874356834795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

129874356834795 is a deficient number, since it is larger than the sum of its proper divisors (95791599816405).

129874356834795 is a wasteful number, since it uses less digits than its factorization.

129874356834795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7056471859 (or 7056471856 counting only the distinct ones).

The product of its digits is 10973491200, while the sum is 81.

The spelling of 129874356834795 in words is "one hundred twenty-nine trillion, eight hundred seventy-four billion, three hundred fifty-six million, eight hundred thirty-four thousand, seven hundred ninety-five".