338641133 has 2 divisors, whose sum is σ = 338641134. Its totient is φ = 338641132.

The previous prime is 338641129. The next prime is 338641151. The reversal of 338641133 is 331146833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314069284 + 24571849 = 17722^2 + 4957^2 .

It is an emirp because it is prime and its reverse (331146833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338641133 - 2² = 338641129 is a prime.

It is a super-2 number, since 2×338641133² = 229355633919047378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338641133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338641153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169320566 + 169320567.

It is an arithmetic number, because the mean of its divisors is an integer number (169320567).

Almost surely, 2^338641133 is an apocalyptic number.

It is an amenable number.

338641133 is a deficient number, since it is larger than the sum of its proper divisors (1).

338641133 is an equidigital number, since it uses as much as digits as its factorization.

338641133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 338641133 is about 18402.2045690184. The cubic root of 338641133 is about 697.0221341965.

Adding to 338641133 its reverse (331146833), we get a palindrome (669787966).

The spelling of 338641133 in words is "three hundred thirty-eight million, six hundred forty-one thousand, one hundred thirty-three".