129367140 has 48 divisors (see below), whose sum is σ = 413976192. Its totient is φ = 29569536.

The previous prime is 129367129. The next prime is 129367159. The reversal of 129367140 is 41763921.

It is an unprimeable number.

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, 153589 + ... + 154428.

It is an arithmetic number, because the mean of its divisors is an integer number (8624504).

Almost surely, 2^129367140 is an apocalyptic number.

129367140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129367140 is an abundant number, since it is smaller than the sum of its proper divisors (284609052).

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

129367140 is a wasteful number, since it uses less digits than its factorization.

129367140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308036 (or 308034 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 129367140 is about 11373.9676454613. The cubic root of 129367140 is about 505.7563283834.

The spelling of 129367140 in words is "one hundred twenty-nine million, three hundred sixty-seven thousand, one hundred forty".