129516700 has 36 divisors (see below), whose sum is σ = 281573992. Its totient is φ = 51710400.

The previous prime is 129516677. The next prime is 129516707. The reversal of 129516700 is 7615921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129516707) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 80302 + ... + 81898.

Almost surely, 2^129516700 is an apocalyptic number.

129516700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129516700 is an abundant number, since it is smaller than the sum of its proper divisors (152057292).

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

129516700 is a wasteful number, since it uses less digits than its factorization.

129516700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422 (or 2415 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 129516700 is about 11380.5404089613. The cubic root of 129516700 is about 505.9511531948.

The spelling of 129516700 in words is "one hundred twenty-nine million, five hundred sixteen thousand, seven hundred".