130856 has 16 divisors (see below), whose sum is σ = 267840. Its totient is φ = 59440.
The previous prime is 130843. The next prime is 130859. The reversal of 130856 is 658031.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 130856.
It is not an unprimeable number, because it can be changed into a prime (130859) 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 in 3 ways as a sum of consecutive naturals, for example, 656 + ... + 831.
It is an arithmetic number, because the mean of its divisors is an integer number (16740).
2130856 is an apocalyptic number.
It is an amenable number.
130856 is an abundant number, since it is smaller than the sum of its proper divisors (136984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130856 is a wasteful number, since it uses less digits than its factorization.
130856 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1504 (or 1500 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 130856 is about 361.7402382926. The cubic root of 130856 is about 50.7689147869.
Adding to 130856 its reverse (658031), we get a palindrome (788887).
The spelling of 130856 in words is "one hundred thirty thousand, eight hundred fifty-six".
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