34139 has 4 divisors (see below), whose sum is σ = 39024. Its totient is φ = 29256.

The previous prime is 34129. The next prime is 34141. The reversal of 34139 is 93143.

34139 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, and also an emirpimes, since its reverse is a distinct semiprime: 93143 = 17 ⋅5479.

It is a cyclic number.

It is not a de Polignac number, because 34139 - 2⁴ = 34123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34139.

It is not an unprimeable number, because it can be changed into a prime (34129) 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, 2432 + ... + 2445.

It is an arithmetic number, because the mean of its divisors is an integer number (9756).

2³⁴¹³⁹ is an apocalyptic number.

34139 is a deficient number, since it is larger than the sum of its proper divisors (4885).

34139 is an equidigital number, since it uses as much as digits as its factorization.

34139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4884.

The product of its digits is 324, while the sum is 20.

The square root of 34139 is about 184.7674213708. The cubic root of 34139 is about 32.4402056381.

The spelling of 34139 in words is "thirty-four thousand, one hundred thirty-nine".