130556 has 12 divisors (see below), whose sum is σ = 231168. Its totient is φ = 64512.
The previous prime is 130553. The next prime is 130579. The reversal of 130556 is 655031.
130556 is nontrivially palindromic in base 11.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130553) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380 + ... + 636.
It is an arithmetic number, because the mean of its divisors is an integer number (19264).
2130556 is an apocalyptic number.
It is an amenable number.
130556 is a deficient number, since it is larger than the sum of its proper divisors (100612).
130556 is a wasteful number, since it uses less digits than its factorization.
130556 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 388 (or 386 counting only the distinct ones).
The product of its (nonzero) digits is 450, while the sum is 20.
The square root of 130556 is about 361.3253381649. The cubic root of 130556 is about 50.7300875556.
Adding to 130556 its reverse (655031), we get a palindrome (785587).
It can be divided in two parts, 130 and 556, that added together give a palindrome (686).
The spelling of 130556 in words is "one hundred thirty thousand, five hundred fifty-six".
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