129676089720 has 64 divisors (see below), whose sum is σ = 389606562720. Its totient is φ = 34528886784.

The previous prime is 129676089713. The next prime is 129676089727. The reversal of 129676089720 is 27980676921.

It is an interprime number because it is at equal distance from previous prime (129676089713) and next prime (129676089727).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129676089727) 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 15 ways as a sum of consecutive naturals, for example, 722089 + ... + 883608.

Almost surely, 2^129676089720 is an apocalyptic number.

129676089720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129676089720 is an abundant number, since it is smaller than the sum of its proper divisors (259930473000).

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

129676089720 is a wasteful number, since it uses less digits than its factorization.

129676089720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606384 (or 1606380 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 129676089720 in words is "one hundred twenty-nine billion, six hundred seventy-six million, eighty-nine thousand, seven hundred twenty".