129612314 has 16 divisors (see below), whose sum is σ = 218477952. Its totient is φ = 57219888.

The previous prime is 129612311. The next prime is 129612331. The reversal of 129612314 is 413216921.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (129612311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107774 + ... + 108969.

It is an arithmetic number, because the mean of its divisors is an integer number (13654872).

Almost surely, 2^129612314 is an apocalyptic number.

129612314 is a deficient number, since it is larger than the sum of its proper divisors (88865638).

129612314 is a wasteful number, since it uses less digits than its factorization.

129612314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216781.

The product of its digits is 2592, while the sum is 29.

The square root of 129612314 is about 11384.7404010807. The cubic root of 129612314 is about 506.0756264973.

The spelling of 129612314 in words is "one hundred twenty-nine million, six hundred twelve thousand, three hundred fourteen".