130342 has 4 divisors (see below), whose sum is σ = 195516. Its totient is φ = 65170.
The previous prime is 130337. The next prime is 130343. The reversal of 130342 is 243031.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32584 + ... + 32587.
It is an arithmetic number, because the mean of its divisors is an integer number (48879).
2130342 is an apocalyptic number.
130342 is a deficient number, since it is larger than the sum of its proper divisors (65174).
130342 is an equidigital number, since it uses as much as digits as its factorization.
130342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65173.
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 130342 is about 361.0290847009. The cubic root of 130342 is about 50.7023544353.
Adding to 130342 its reverse (243031), we get a palindrome (373373).
The spelling of 130342 in words is "one hundred thirty thousand, three hundred forty-two".
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