129794776372238 has 8 divisors (see below), whose sum is σ = 195680449658232. Its totient is φ = 64567959819496.

The previous prime is 129794776372199. The next prime is 129794776372277. The reversal of 129794776372238 is 832273677497921.

It is an interprime number because it is at equal distance from previous prime (129794776372199) and next prime (129794776372277).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164714182820 + ... + 164714183607.

It is an arithmetic number, because the mean of its divisors is an integer number (24460056207279).

Almost surely, 2^{129794776372238} is an apocalyptic number.

129794776372238 is a deficient number, since it is larger than the sum of its proper divisors (65885673285994).

129794776372238 is a wasteful number, since it uses less digits than its factorization.

129794776372238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329428366626.

The product of its digits is 2688505344, while the sum is 77.

The spelling of 129794776372238 in words is "one hundred twenty-nine trillion, seven hundred ninety-four billion, seven hundred seventy-six million, three hundred seventy-two thousand, two hundred thirty-eight".