118340 has 24 divisors (see below), whose sum is σ = 255192. Its totient is φ = 46080.
The previous prime is 118297. The next prime is 118343. The reversal of 118340 is 43811.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 4 + 118336 = 2^2 + 344^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (118343) 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, 1172 + ... + 1268.
It is an arithmetic number, because the mean of its divisors is an integer number (10633).
2118340 is an apocalyptic number.
118340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
118340 is an abundant number, since it is smaller than the sum of its proper divisors (136852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
118340 is a wasteful number, since it uses less digits than its factorization.
118340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167 (or 165 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 118340 is about 344.0058139044. The cubic root of 118340 is about 49.0957450446.
Subtracting from 118340 its reverse (43811), we obtain a square (74529 = 2732).
The spelling of 118340 in words is "one hundred eighteen thousand, three hundred forty".
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