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BaseRepresentation
bin100000000100100000
320200012012
4200010200
513200420
62452052
71054655
oct400440
9220165
10131360
118a769
1264028
1347a38
1435c2c
1528dc5
hex20120

131360 has 24 divisors (see below), whose sum is σ = 310716. Its totient is φ = 52480.

The previous prime is 131357. The next prime is 131363. The reversal of 131360 is 63131.

It is an interprime number because it is at equal distance from previous prime (131357) and next prime (131363).

It can be written as a sum of positive squares in 2 ways, for example, as 126736 + 4624 = 356^2 + 68^2 .

It is not an unprimeable number, because it can be changed into a prime (131363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251 + ... + 570.

2131360 is an apocalyptic number.

131360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131360 is an abundant number, since it is smaller than the sum of its proper divisors (179356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131360 is an equidigital number, since it uses as much as digits as its factorization.

131360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 131360 is about 362.4362012824. The cubic root of 131360 is about 50.8340111588.

Adding to 131360 its reverse (63131), we get a palindrome (194491).

The spelling of 131360 in words is "one hundred thirty-one thousand, three hundred sixty".