38138 has 4 divisors (see below), whose sum is σ = 57210. Its totient is φ = 19068.

The previous prime is 38119. The next prime is 38149. The reversal of 38138 is 83183.

38138 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83183 = 193 ⋅431.

It can be written as a sum of positive squares in only one way, i.e., 20449 + 17689 = 143^2 + 133^2 .

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9533 + ... + 9536.

2³⁸¹³⁸ is an apocalyptic number.

38138 is a deficient number, since it is larger than the sum of its proper divisors (19072).

38138 is a wasteful number, since it uses less digits than its factorization.

38138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19071.

The product of its digits is 576, while the sum is 23.

The square root of 38138 is about 195.2895286491. The cubic root of 38138 is about 33.6604024987.

The spelling of 38138 in words is "thirty-eight thousand, one hundred thirty-eight".