283935138 has 48 divisors (see below), whose sum is σ = 612577728. Its totient is φ = 87568800.

The previous prime is 283935083. The next prime is 283935167. The reversal of 283935138 is 831539382.

It is a self number, because there is not a number n which added to its sum of digits gives 283935138.

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, 131548 + ... + 133688.

It is an arithmetic number, because the mean of its divisors is an integer number (12762036).

Almost surely, 2^283935138 is an apocalyptic number.

283935138 is an abundant number, since it is smaller than the sum of its proper divisors (328642590).

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

283935138 is a wasteful number, since it uses less digits than its factorization.

283935138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231 (or 2200 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 283935138 is about 16850.3750106637. The cubic root of 283935138 is about 657.2638006175.

The spelling of 283935138 in words is "two hundred eighty-three million, nine hundred thirty-five thousand, one hundred thirty-eight".