129152634 has 48 divisors (see below), whose sum is σ = 287604576. Its totient is φ = 38435040.

The previous prime is 129152629. The next prime is 129152651. The reversal of 129152634 is 436251921.

It is a junction number, because it is equal to n+sod(n) for n = 129152595 and 129152604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74097 + ... + 75819.

It is an arithmetic number, because the mean of its divisors is an integer number (5991762).

Almost surely, 2^129152634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129152634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143802288).

129152634 is an abundant number, since it is smaller than the sum of its proper divisors (158451942).

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

129152634 is a wasteful number, since it uses less digits than its factorization.

129152634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803 (or 1772 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 129152634 is about 11364.5340423618. The cubic root of 129152634 is about 505.4766391617.

The spelling of 129152634 in words is "one hundred twenty-nine million, one hundred fifty-two thousand, six hundred thirty-four".