139318 has 8 divisors (see below), whose sum is σ = 214200. Its totient is φ = 67920.

The previous prime is 139313. The next prime is 139333. The reversal of 139318 is 813931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 139292 and 139301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139313) 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, 768 + ... + 931.

It is an arithmetic number, because the mean of its divisors is an integer number (26775).

2¹³⁹³¹⁸ is an apocalyptic number.

139318 is a deficient number, since it is larger than the sum of its proper divisors (74882).

139318 is a wasteful number, since it uses less digits than its factorization.

139318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742.

The product of its digits is 648, while the sum is 25.

The square root of 139318 is about 373.2532652235. The cubic root of 139318 is about 51.8404875195.

The spelling of 139318 in words is "one hundred thirty-nine thousand, three hundred eighteen".