338955137 has 2 divisors, whose sum is σ = 338955138. Its totient is φ = 338955136.

The previous prime is 338955131. The next prime is 338955203. The reversal of 338955137 is 731559833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 333829441 + 5125696 = 18271^2 + 2264^2 .

It is an emirp because it is prime and its reverse (731559833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338955137 - 2⁶ = 338955073 is a prime.

It is a super-2 number, since 2×338955137² = 229781169797377538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (338955131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169477568 + 169477569.

It is an arithmetic number, because the mean of its divisors is an integer number (169477569).

Almost surely, 2^338955137 is an apocalyptic number.

It is an amenable number.

338955137 is a deficient number, since it is larger than the sum of its proper divisors (1).

338955137 is an equidigital number, since it uses as much as digits as its factorization.

338955137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 44.

The square root of 338955137 is about 18410.7342873662. The cubic root of 338955137 is about 697.2375048879.

The spelling of 338955137 in words is "three hundred thirty-eight million, nine hundred fifty-five thousand, one hundred thirty-seven".