129516244 has 24 divisors (see below), whose sum is σ = 266279328. Its totient is φ = 54342240.

The previous prime is 129516229. The next prime is 129516263. The reversal of 129516244 is 442615921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112642 + ... + 113785.

It is an arithmetic number, because the mean of its divisors is an integer number (11094972).

Almost surely, 2^129516244 is an apocalyptic number.

It is an amenable number.

129516244 is an abundant number, since it is smaller than the sum of its proper divisors (136763084).

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

129516244 is a wasteful number, since it uses less digits than its factorization.

129516244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226455 (or 226453 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 129516244 is about 11380.5203747456. The cubic root of 129516244 is about 505.9505594130.

The spelling of 129516244 in words is "one hundred twenty-nine million, five hundred sixteen thousand, two hundred forty-four".