131543360 has 112 divisors (see below), whose sum is σ = 341717376. Its totient is φ = 47941632.

The previous prime is 131543353. The next prime is 131543369. The reversal of 131543360 is 63345131.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131543369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428327 + ... + 428633.

It is an arithmetic number, because the mean of its divisors is an integer number (3051048).

Almost surely, 2^131543360 is an apocalyptic number.

131543360 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 131543360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170858688).

131543360 is an abundant number, since it is smaller than the sum of its proper divisors (210174016).

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

131543360 is a wasteful number, since it uses less digits than its factorization.

131543360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 131543360 is about 11469.2353712006. The cubic root of 131543360 is about 508.5765252794.

Adding to 131543360 its reverse (63345131), we get a palindrome (194888491).

The spelling of 131543360 in words is "one hundred thirty-one million, five hundred forty-three thousand, three hundred sixty".