129390700 has 36 divisors (see below), whose sum is σ = 281449000. Its totient is φ = 51632640.

The previous prime is 129390659. The next prime is 129390719. The reversal of 129390700 is 7093921.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48604 + ... + 51196.

Almost surely, 2^129390700 is an apocalyptic number.

129390700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129390700 is an abundant number, since it is smaller than the sum of its proper divisors (152058300).

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

129390700 is a wasteful number, since it uses less digits than its factorization.

129390700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106 (or 3099 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 129390700 is about 11375.0032967028. The cubic root of 129390700 is about 505.7870288529.

The spelling of 129390700 in words is "one hundred twenty-nine million, three hundred ninety thousand, seven hundred".