139323 has 4 divisors (see below), whose sum is σ = 185768. Its totient is φ = 92880.

The previous prime is 139313. The next prime is 139333. The reversal of 139323 is 323931.

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 (139313) and next prime (139333).

It is not a de Polignac number, because 139323 - 2⁵ = 139291 is a prime.

It is a D-number.

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 139323.

It is not an unprimeable number, because it can be changed into a prime (139303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23218 + ... + 23223.

It is an arithmetic number, because the mean of its divisors is an integer number (46442).

2¹³⁹³²³ is an apocalyptic number.

139323 is a deficient number, since it is larger than the sum of its proper divisors (46445).

139323 is an equidigital number, since it uses as much as digits as its factorization.

139323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46444.

The product of its digits is 486, while the sum is 21.

The square root of 139323 is about 373.2599630285. The cubic root of 139323 is about 51.8411076819.

The spelling of 139323 in words is "one hundred thirty-nine thousand, three hundred twenty-three".