282138276 has 72 divisors (see below), whose sum is σ = 768250560. Its totient is φ = 80353728.

The previous prime is 282138257. The next prime is 282138281. The reversal of 282138276 is 672831282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257586 + ... + 258678.

Almost surely, 2^282138276 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 282138276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384125280).

282138276 is an abundant number, since it is smaller than the sum of its proper divisors (486112284).

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

282138276 is a wasteful number, since it uses less digits than its factorization.

282138276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553 (or 1544 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 282138276 is about 16796.9722271605. The cubic root of 282138276 is about 655.8743841620.

The spelling of 282138276 in words is "two hundred eighty-two million, one hundred thirty-eight thousand, two hundred seventy-six".