139210 has 8 divisors (see below), whose sum is σ = 250596. Its totient is φ = 55680.
The previous prime is 139201. The next prime is 139241. The reversal of 139210 is 12931.
It can be written as a sum of positive squares in 2 ways, for example, as 139129 + 81 = 373^2 + 9^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
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, 6951 + ... + 6970.
2139210 is an apocalyptic number.
139210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
139210 is a deficient number, since it is larger than the sum of its proper divisors (111386).
139210 is a wasteful number, since it uses less digits than its factorization.
139210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13928.
The product of its (nonzero) digits is 54, while the sum is 16.
The square root of 139210 is about 373.1085632896. The cubic root of 139210 is about 51.8270883895.
The spelling of 139210 in words is "one hundred thirty-nine thousand, two hundred ten".
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