829645136 has 10 divisors (see below), whose sum is σ = 1607437482. Its totient is φ = 414822560.

The previous prime is 829645111. The next prime is 829645147. The reversal of 829645136 is 631546928.

It can be written as a sum of positive squares in only one way, i.e., 669774400 + 159870736 = 25880^2 + 12644^2 .

It is a super-2 number, since 2×829645136² = 1376622103376916992, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 25926395 + ... + 25926426.

Almost surely, 2^829645136 is an apocalyptic number.

It is an amenable number.

829645136 is a deficient number, since it is larger than the sum of its proper divisors (777792346).

829645136 is a wasteful number, since it uses less digits than its factorization.

829645136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51852829 (or 51852823 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 829645136 is about 28803.5611687166. The cubic root of 829645136 is about 939.6456850854.

The spelling of 829645136 in words is "eight hundred twenty-nine million, six hundred forty-five thousand, one hundred thirty-six".