139108 has 12 divisors (see below), whose sum is σ = 246960. Its totient is φ = 68552.

The previous prime is 139091. The next prime is 139109. The reversal of 139108 is 801931.

139108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 123 + ... + 541.

It is an arithmetic number, because the mean of its divisors is an integer number (20580).

2¹³⁹¹⁰⁸ is an apocalyptic number.

It is an amenable number.

139108 is a deficient number, since it is larger than the sum of its proper divisors (107852).

139108 is a wasteful number, since it uses less digits than its factorization.

139108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 139108 is about 372.9718488036. The cubic root of 139108 is about 51.8144272908.

The spelling of 139108 in words is "one hundred thirty-nine thousand, one hundred eight".