139027 has 4 divisors (see below), whose sum is σ = 158896. Its totient is φ = 119160.

The previous prime is 139021. The next prime is 139033. The reversal of 139027 is 720931.

139027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (139021) and next prime (139033).

It is a cyclic number.

It is not a de Polignac number, because 139027 - 2⁷ = 138899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138989 and 139007.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139027.

It is not an unprimeable number, because it can be changed into a prime (139021) 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, 9924 + ... + 9937.

It is an arithmetic number, because the mean of its divisors is an integer number (39724).

2¹³⁹⁰²⁷ is an apocalyptic number.

139027 is a deficient number, since it is larger than the sum of its proper divisors (19869).

139027 is an equidigital number, since it uses as much as digits as its factorization.

139027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19868.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 139027 is about 372.8632457081. The cubic root of 139027 is about 51.8043684792.

Adding to 139027 its reverse (720931), we get a palindrome (859958).

The spelling of 139027 in words is "one hundred thirty-nine thousand, twenty-seven".