129629676 has 48 divisors (see below), whose sum is σ = 330865920. Its totient is φ = 39174720.

The previous prime is 129629653. The next prime is 129629707. The reversal of 129629676 is 676926921.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56830 + ... + 59066.

It is an arithmetic number, because the mean of its divisors is an integer number (6893040).

Almost surely, 2^129629676 is an apocalyptic number.

It is an amenable number.

129629676 is an abundant number, since it is smaller than the sum of its proper divisors (201236244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129629676 is a wasteful number, since it uses less digits than its factorization.

129629676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694 (or 2692 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 129629676 is about 11385.5028874442. The cubic root of 129629676 is about 506.0982223255.

It can be divided in two parts, 129629 and 676, that added together give a triangular number (130305 = T₅₁₀).

The spelling of 129629676 in words is "one hundred twenty-nine million, six hundred twenty-nine thousand, six hundred seventy-six".