338381137 has 2 divisors, whose sum is σ = 338381138. Its totient is φ = 338381136.

The previous prime is 338381081. The next prime is 338381143. The reversal of 338381137 is 731183833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280864081 + 57517056 = 16759^2 + 7584^2 .

It is a cyclic number.

It is not a de Polignac number, because 338381137 - 2⁷ = 338381009 is a prime.

It is a super-2 number, since 2×338381137² = 229003587754825538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338381096 and 338381105.

It is not a weakly prime, because it can be changed into another prime (338381167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169190568 + 169190569.

It is an arithmetic number, because the mean of its divisors is an integer number (169190569).

Almost surely, 2^338381137 is an apocalyptic number.

It is an amenable number.

338381137 is a deficient number, since it is larger than the sum of its proper divisors (1).

338381137 is an equidigital number, since it uses as much as digits as its factorization.

338381137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 338381137 is about 18395.1389502771. The cubic root of 338381137 is about 696.8437060143.

The spelling of 338381137 in words is "three hundred thirty-eight million, three hundred eighty-one thousand, one hundred thirty-seven".