338565138 has 8 divisors (see below), whose sum is σ = 677130288. Its totient is φ = 112855044.

The previous prime is 338565131. The next prime is 338565151. The reversal of 338565138 is 831565833.

338565138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

338565138 is an admirable number.

It is a super-2 number, since 2×338565138² = 229252705337918088, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 338565138.

It is not an unprimeable number, because it can be changed into a prime (338565131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28213756 + ... + 28213767.

It is an arithmetic number, because the mean of its divisors is an integer number (84641286).

Almost surely, 2^338565138 is an apocalyptic number.

338565138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

338565138 is a wasteful number, since it uses less digits than its factorization.

338565138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56427528.

The product of its digits is 259200, while the sum is 42.

The square root of 338565138 is about 18400.1396190355. The cubic root of 338565138 is about 696.9699903439.

The spelling of 338565138 in words is "three hundred thirty-eight million, five hundred sixty-five thousand, one hundred thirty-eight".