129627882132391 has 8 divisors (see below), whose sum is σ = 129693640313664. Its totient is φ = 129562127285760.

The previous prime is 129627882132367. The next prime is 129627882132401. The reversal of 129627882132391 is 193231288726921.

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

It is a cyclic number.

It is not a de Polignac number, because 129627882132391 - 2⁹ = 129627882131879 is a prime.

It is a super-2 number, since 2×129627882132391² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129627882136391) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 78861771 + ... + 80488723.

It is an arithmetic number, because the mean of its divisors is an integer number (16211705039208).

Almost surely, 2^{129627882132391} is an apocalyptic number.

129627882132391 is a deficient number, since it is larger than the sum of its proper divisors (65758181273).

129627882132391 is a wasteful number, since it uses less digits than its factorization.

129627882132391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667321.

The product of its digits is 31352832, while the sum is 64.

The spelling of 129627882132391 in words is "one hundred twenty-nine trillion, six hundred twenty-seven billion, eight hundred eighty-two million, one hundred thirty-two thousand, three hundred ninety-one".