139032 has 24 divisors (see below), whose sum is σ = 376740. Its totient is φ = 46320.
The previous prime is 139021. The next prime is 139033. The reversal of 139032 is 230931.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 138996 and 139014.
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 139032.
It is not an unprimeable number, because it can be changed into a prime (139033) by changing a digit.
139032 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 894 + ... + 1037.
2139032 is an apocalyptic number.
139032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
139032 is an abundant number, since it is smaller than the sum of its proper divisors (237708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139032 is a wasteful number, since it uses less digits than its factorization.
139032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1943 (or 1936 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
The square root of 139032 is about 372.8699505189. The cubic root of 139032 is about 51.8049895066.
Adding to 139032 its reverse (230931), we get a palindrome (369963).
It can be divided in two parts, 13 and 9032, that added together give a triangular number (9045 = T134).
The spelling of 139032 in words is "one hundred thirty-nine thousand, thirty-two".
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