129276676 has 6 divisors (see below), whose sum is σ = 226234190. Its totient is φ = 64638336.

The previous prime is 129276661. The next prime is 129276691. The reversal of 129276676 is 676672921.

It is an interprime number because it is at equal distance from previous prime (129276661) and next prime (129276691).

It can be written as a sum of positive squares in only one way, i.e., 91699776 + 37576900 = 9576^2 + 6130^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16159581 + ... + 16159588.

Almost surely, 2^129276676 is an apocalyptic number.

It is an amenable number.

129276676 is a deficient number, since it is larger than the sum of its proper divisors (96957514).

129276676 is a wasteful number, since it uses less digits than its factorization.

129276676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32319173 (or 32319171 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 129276676 is about 11369.9901495120. The cubic root of 129276676 is about 505.6384122745.

The spelling of 129276676 in words is "one hundred twenty-nine million, two hundred seventy-six thousand, six hundred seventy-six".