38069138 has 4 divisors (see below), whose sum is σ = 57103710. Its totient is φ = 19034568.

The previous prime is 38069131. The next prime is 38069159. The reversal of 38069138 is 83196083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83196083 = 23 ⋅3617221.

It can be written as a sum of positive squares in only one way, i.e., 38031889 + 37249 = 6167^2 + 193^2 .

It is not an unprimeable number, because it can be changed into a prime (38069131) 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, 9517283 + ... + 9517286.

Almost surely, 2^38069138 is an apocalyptic number.

38069138 is a deficient number, since it is larger than the sum of its proper divisors (19034572).

38069138 is a wasteful number, since it uses less digits than its factorization.

38069138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19034571.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 38069138 is about 6170.0192868418. The cubic root of 38069138 is about 336.4013121089.

The spelling of 38069138 in words is "thirty-eight million, sixty-nine thousand, one hundred thirty-eight".