129862796 has 96 divisors (see below), whose sum is σ = 294658560. Its totient is φ = 48743424.

The previous prime is 129862793. The next prime is 129862819. The reversal of 129862796 is 697268921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (129862793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 750566 + ... + 750738.

It is an arithmetic number, because the mean of its divisors is an integer number (3069360).

Almost surely, 2^129862796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129862796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147329280).

129862796 is an abundant number, since it is smaller than the sum of its proper divisors (164795764).

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

129862796 is a wasteful number, since it uses less digits than its factorization.

129862796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 301 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The square root of 129862796 is about 11395.7358691749. The cubic root of 129862796 is about 506.4014218386.

The spelling of 129862796 in words is "one hundred twenty-nine million, eight hundred sixty-two thousand, seven hundred ninety-six".