131560 has 64 divisors (see below), whose sum is σ = 362880. Its totient is φ = 42240.
The previous prime is 131543. The next prime is 131561. The reversal of 131560 is 65131.
It is not an unprimeable number, because it can be changed into a prime (131561) by changing a digit.
131560 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5709 + ... + 5731.
It is an arithmetic number, because the mean of its divisors is an integer number (5670).
2131560 is an apocalyptic number.
131560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181440).
131560 is an abundant number, since it is smaller than the sum of its proper divisors (231320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131560 is a wasteful number, since it uses less digits than its factorization.
131560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58 (or 54 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 131560 is about 362.7120069697. The cubic root of 131560 is about 50.8597969049.
Adding to 131560 its reverse (65131), we get a palindrome (196691).
The spelling of 131560 in words is "one hundred thirty-one thousand, five hundred sixty".
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