103138 has 16 divisors (see below), whose sum is σ = 181440. Its totient is φ = 43056.

The previous prime is 103123. The next prime is 103141. The reversal of 103138 is 831301.

It is an unprimeable number.

103138 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673 + ... + 811.

It is an arithmetic number, because the mean of its divisors is an integer number (11340).

2¹⁰³¹³⁸ is an apocalyptic number.

103138 is a deficient number, since it is larger than the sum of its proper divisors (78302).

103138 is a wasteful number, since it uses less digits than its factorization.

103138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 103138 is about 321.1510548013. The cubic root of 103138 is about 46.8964068151.

Adding to 103138 its reverse (831301), we get a palindrome (934439).

The spelling of 103138 in words is "one hundred three thousand, one hundred thirty-eight".