139103 has 4 divisors (see below), whose sum is σ = 140448. Its totient is φ = 137760.

The previous prime is 139091. The next prime is 139109. The reversal of 139103 is 301931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301931 = 7 ⋅43133.

It is a cyclic number.

It is not a de Polignac number, because 139103 - 2¹⁰ = 138079 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139103.

It is not an unprimeable number, because it can be changed into a prime (139109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503 + ... + 728.

It is an arithmetic number, because the mean of its divisors is an integer number (35112).

2¹³⁹¹⁰³ is an apocalyptic number.

139103 is a deficient number, since it is larger than the sum of its proper divisors (1345).

139103 is a wasteful number, since it uses less digits than its factorization.

139103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 139103 is about 372.9651458246. The cubic root of 139103 is about 51.8138064896.

It can be divided in two parts, 139 and 103, that added together give a palindrome (242).

The spelling of 139103 in words is "one hundred thirty-nine thousand, one hundred three".