129145014 has 24 divisors (see below), whose sum is σ = 294542040. Its totient is φ = 40782528.

The previous prime is 129144997. The next prime is 129145021. The reversal of 129145014 is 410541921.

It is a Curzon number.

It is a congruent number.

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, 188467 + ... + 189150.

It is an arithmetic number, because the mean of its divisors is an integer number (12272585).

Almost surely, 2^129145014 is an apocalyptic number.

129145014 is an abundant number, since it is smaller than the sum of its proper divisors (165397026).

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

129145014 is a wasteful number, since it uses less digits than its factorization.

129145014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377644 (or 377641 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 129145014 is about 11364.1987839003. The cubic root of 129145014 is about 505.4666979326.

Adding to 129145014 its reverse (410541921), we get a palindrome (539686935).

The spelling of 129145014 in words is "one hundred twenty-nine million, one hundred forty-five thousand, fourteen".