170140 has 24 divisors (see below), whose sum is σ = 366912. Its totient is φ = 66240.
The previous prime is 170123. The next prime is 170141. The reversal of 170140 is 41071.
It is a self number, because there is not a number n which added to its sum of digits gives 170140.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (170141) 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, 850 + ... + 1030.
It is an arithmetic number, because the mean of its divisors is an integer number (15288).
2170140 is an apocalyptic number.
170140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
170140 is an abundant number, since it is smaller than the sum of its proper divisors (196772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
170140 is a wasteful number, since it uses less digits than its factorization.
170140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237 (or 235 counting only the distinct ones).
The product of its (nonzero) digits is 28, while the sum is 13.
The square root of 170140 is about 412.4803025600. The cubic root of 170140 is about 55.4117853000.
The spelling of 170140 in words is "one hundred seventy thousand, one hundred forty", and thus it is an iban number.
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