139329 has 12 divisors (see below), whose sum is σ = 204516. Its totient is φ = 91392.

The previous prime is 139313. The next prime is 139333. The reversal of 139329 is 923931.

It can be written as a sum of positive squares in 2 ways, for example, as 32400 + 106929 = 180^2 + 327^2 .

It is not a de Polignac number, because 139329 - 2⁴ = 139313 is a prime.

139329 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139329.

It is not an unprimeable number, because it can be changed into a prime (139309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 949 + ... + 1085.

It is an arithmetic number, because the mean of its divisors is an integer number (17043).

2¹³⁹³²⁹ is an apocalyptic number.

It is an amenable number.

139329 is a deficient number, since it is larger than the sum of its proper divisors (65187).

139329 is a wasteful number, since it uses less digits than its factorization.

139329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 253 counting only the distinct ones).

The product of its digits is 1458, while the sum is 27.

The square root of 139329 is about 373.2680002358. The cubic root of 139329 is about 51.8418518571.

The spelling of 139329 in words is "one hundred thirty-nine thousand, three hundred twenty-nine".