813149282 has 48 divisors (see below), whose sum is σ = 1398249216. Its totient is φ = 353997600.

The previous prime is 813149237. The next prime is 813149329. The reversal of 813149282 is 282941318.

813149282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×813149282² = 1322423509634231048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 802208 + ... + 803220.

It is an arithmetic number, because the mean of its divisors is an integer number (29130192).

Almost surely, 2^813149282 is an apocalyptic number.

813149282 is a deficient number, since it is larger than the sum of its proper divisors (585099934).

813149282 is a wasteful number, since it uses less digits than its factorization.

813149282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1164 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 813149282 is about 28515.7725127691. The cubic root of 813149282 is about 933.3762822356.

The spelling of 813149282 in words is "eight hundred thirteen million, one hundred forty-nine thousand, two hundred eighty-two".