139010 has 8 divisors (see below), whose sum is σ = 250236. Its totient is φ = 55600.
The previous prime is 138977. The next prime is 139021. The reversal of 139010 is 10931.
It can be written as a sum of positive squares in 2 ways, for example, as 137641 + 1369 = 371^2 + 37^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
139010 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6941 + ... + 6960.
2139010 is an apocalyptic number.
139010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
139010 is a deficient number, since it is larger than the sum of its proper divisors (111226).
139010 is a wasteful number, since it uses less digits than its factorization.
139010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13908.
The product of its (nonzero) digits is 27, while the sum is 14.
The square root of 139010 is about 372.8404484495. The cubic root of 139010 is about 51.8022568746.
Adding to 139010 its reverse (10931), we get a palindrome (149941).
The spelling of 139010 in words is "one hundred thirty-nine thousand, ten".
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