139232 has 24 divisors (see below), whose sum is σ = 289800. Its totient is φ = 65664.

The previous prime is 139201. The next prime is 139241. The reversal of 139232 is 232931.

139232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 139232.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494 + ... + 722.

It is an arithmetic number, because the mean of its divisors is an integer number (12075).

2¹³⁹²³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144900).

139232 is an abundant number, since it is smaller than the sum of its proper divisors (150568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139232 is a wasteful number, since it uses less digits than its factorization.

139232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 250 counting only the distinct ones).

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

The square root of 139232 is about 373.1380441606. The cubic root of 139232 is about 51.8298184038.

It can be divided in two parts, 1392 and 32, that multiplied together give a palindrome (44544).

The spelling of 139232 in words is "one hundred thirty-nine thousand, two hundred thirty-two".