129832268 has 12 divisors (see below), whose sum is σ = 229456752. Its totient is φ = 64273200.

The previous prime is 129832231. The next prime is 129832277. The reversal of 129832268 is 862238921.

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, 160280 + ... + 161087.

It is an arithmetic number, because the mean of its divisors is an integer number (19121396).

Almost surely, 2^129832268 is an apocalyptic number.

It is an amenable number.

129832268 is a deficient number, since it is larger than the sum of its proper divisors (99624484).

129832268 is a wasteful number, since it uses less digits than its factorization.

129832268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321472 (or 321470 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 129832268 is about 11394.3963420622. The cubic root of 129832268 is about 506.3617373032.

It can be divided in two parts, 12983 and 2268, that added together give a palindrome (15251).

The spelling of 129832268 in words is "one hundred twenty-nine million, eight hundred thirty-two thousand, two hundred sixty-eight".