129738676 has 12 divisors (see below), whose sum is σ = 236914272. Its totient is φ = 62048888.

The previous prime is 129738673. The next prime is 129738701. The reversal of 129738676 is 676837921.

It is a happy number.

It is a super-3 number, since 3×129738676³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129738673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705010 + ... + 705193.

It is an arithmetic number, because the mean of its divisors is an integer number (19742856).

Almost surely, 2^129738676 is an apocalyptic number.

It is an amenable number.

129738676 is a deficient number, since it is larger than the sum of its proper divisors (107175596).

129738676 is a wasteful number, since it uses less digits than its factorization.

129738676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410230 (or 1410228 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 129738676 is about 11390.2886706176. The cubic root of 129738676 is about 506.2400346359.

The spelling of 129738676 in words is "one hundred twenty-nine million, seven hundred thirty-eight thousand, six hundred seventy-six".