129766130 has 16 divisors (see below), whose sum is σ = 251546904. Its totient is φ = 47913600.

The previous prime is 129766129. The next prime is 129766157. The reversal of 129766130 is 31667921.

129766130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 54302161 + 75463969 = 7369^2 + 8687^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498971 + ... + 499230.

Almost surely, 2^129766130 is an apocalyptic number.

129766130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129766130 is a deficient number, since it is larger than the sum of its proper divisors (121780774).

129766130 is a wasteful number, since it uses less digits than its factorization.

129766130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998221.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 129766130 is about 11391.4937563078. The cubic root of 129766130 is about 506.2757406004.

The spelling of 129766130 in words is "one hundred twenty-nine million, seven hundred sixty-six thousand, one hundred thirty".