139060 has 24 divisors (see below), whose sum is σ = 309960. Its totient is φ = 52224.
The previous prime is 139033. The next prime is 139067. The reversal of 139060 is 60931.
139060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 59536 + 79524 = 244^2 + 282^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139067) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136 + ... + 544.
It is an arithmetic number, because the mean of its divisors is an integer number (12915).
2139060 is an apocalyptic number.
139060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 139060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154980).
139060 is an abundant number, since it is smaller than the sum of its proper divisors (170900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139060 is a wasteful number, since it uses less digits than its factorization.
139060 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 435 (or 433 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 19.
The square root of 139060 is about 372.9074952317. The cubic root of 139060 is about 51.8084669850.
Adding to 139060 its reverse (60931), we get a palindrome (199991).
The spelling of 139060 in words is "one hundred thirty-nine thousand, sixty".
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