38137138 has 16 divisors (see below), whose sum is σ = 62175960. Its totient is φ = 17438976.

The previous prime is 38137133. The next prime is 38137201. The reversal of 38137138 is 83173183.

38137138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 37736449 + 400689 = 6143^2 + 633^2 .

It is not an unprimeable number, because it can be changed into a prime (38137133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3895 + ... + 9562.

Almost surely, 2^38137138 is an apocalyptic number.

38137138 is a deficient number, since it is larger than the sum of its proper divisors (24038822).

38137138 is a wasteful number, since it uses less digits than its factorization.

38137138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13581.

The product of its digits is 12096, while the sum is 34.

The square root of 38137138 is about 6175.5273459033. The cubic root of 38137138 is about 336.6014889783.

The spelling of 38137138 in words is "thirty-eight million, one hundred thirty-seven thousand, one hundred thirty-eight".