129276014 has 32 divisors (see below), whose sum is σ = 233472000. Its totient is φ = 53607960.

The previous prime is 129276011. The next prime is 129276023. The reversal of 129276014 is 410672921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129276011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18227 + ... + 24305.

It is an arithmetic number, because the mean of its divisors is an integer number (7296000).

Almost surely, 2^129276014 is an apocalyptic number.

129276014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

129276014 is a deficient number, since it is larger than the sum of its proper divisors (104195986).

129276014 is an equidigital number, since it uses as much as digits as its factorization.

129276014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6133 (or 6119 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 129276014 is about 11369.9610377521. The cubic root of 129276014 is about 505.6375491820.

The spelling of 129276014 in words is "one hundred twenty-nine million, two hundred seventy-six thousand, fourteen".