129132081304 has 32 divisors (see below), whose sum is σ = 242979271920. Its totient is φ = 64337728896.

The previous prime is 129132081293. The next prime is 129132081307. The reversal of 129132081304 is 403180231921.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 129132081304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129132081307) 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 7 ways as a sum of consecutive naturals, for example, 15058362 + ... + 15066934.

Almost surely, 2^129132081304 is an apocalyptic number.

It is an amenable number.

129132081304 is a deficient number, since it is larger than the sum of its proper divisors (113847190616).

129132081304 is a wasteful number, since it uses less digits than its factorization.

129132081304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15019 (or 15015 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 129132081304 in words is "one hundred twenty-nine billion, one hundred thirty-two million, eighty-one thousand, three hundred four".