842133338 has 4 divisors (see below), whose sum is σ = 1263200010. Its totient is φ = 421066668.

The previous prime is 842133311. The next prime is 842133359. The reversal of 842133338 is 833331248.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 715188049 + 126945289 = 26743^2 + 11267^2 .

It is a junction number, because it is equal to n+sod(n) for n = 842133298 and 842133307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210533333 + ... + 210533336.

Almost surely, 2^842133338 is an apocalyptic number.

842133338 is a deficient number, since it is larger than the sum of its proper divisors (421066672).

842133338 is a wasteful number, since it uses less digits than its factorization.

842133338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421066671.

The product of its digits is 41472, while the sum is 35.

The square root of 842133338 is about 29019.5337316091. The cubic root of 842133338 is about 944.3368855606.

The spelling of 842133338 in words is "eight hundred forty-two million, one hundred thirty-three thousand, three hundred thirty-eight".