129814824 has 16 divisors (see below), whose sum is σ = 324537120. Its totient is φ = 43271600.

The previous prime is 129814819. The next prime is 129814837. The reversal of 129814824 is 428418921.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2704452 + ... + 2704499.

It is an arithmetic number, because the mean of its divisors is an integer number (20283570).

Almost surely, 2^129814824 is an apocalyptic number.

It is an amenable number.

129814824 is an abundant number, since it is smaller than the sum of its proper divisors (194722296).

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

129814824 is a wasteful number, since it uses less digits than its factorization.

129814824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408960 (or 5408956 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 129814824 is about 11393.6308523666. The cubic root of 129814824 is about 506.3390583757.

The spelling of 129814824 in words is "one hundred twenty-nine million, eight hundred fourteen thousand, eight hundred twenty-four".