139283 has 4 divisors (see below), whose sum is σ = 143808. Its totient is φ = 134760.

The previous prime is 139273. The next prime is 139291. The reversal of 139283 is 382931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 382931 = 167 ⋅2293.

It is a cyclic number.

It is not a de Polignac number, because 139283 - 2⁴ = 139267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2216 + ... + 2277.

It is an arithmetic number, because the mean of its divisors is an integer number (35952).

2¹³⁹²⁸³ is an apocalyptic number.

139283 is a deficient number, since it is larger than the sum of its proper divisors (4525).

139283 is an equidigital number, since it uses as much as digits as its factorization.

139283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524.

The product of its digits is 1296, while the sum is 26.

The square root of 139283 is about 373.2063772231. The cubic root of 139283 is about 51.8361459675.

It can be divided in two parts, 13928 and 3, that added together give a palindrome (13931).

The spelling of 139283 in words is "one hundred thirty-nine thousand, two hundred eighty-three".