38361139 has 2 divisors, whose sum is σ = 38361140. Its totient is φ = 38361138.

The previous prime is 38361077. The next prime is 38361143. The reversal of 38361139 is 93116383.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38361139 - 2⁹ = 38360627 is a prime.

It is not a weakly prime, because it can be changed into another prime (38361179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19180569 + 19180570.

It is an arithmetic number, because the mean of its divisors is an integer number (19180570).

Almost surely, 2^38361139 is an apocalyptic number.

38361139 is a deficient number, since it is larger than the sum of its proper divisors (1).

38361139 is an equidigital number, since it uses as much as digits as its factorization.

38361139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 34.

The square root of 38361139 is about 6193.6369767690. The cubic root of 38361139 is about 337.2592199411.

The spelling of 38361139 in words is "thirty-eight million, three hundred sixty-one thousand, one hundred thirty-nine".