131454 has 24 divisors (see below), whose sum is σ = 291720. Its totient is φ = 42768.
The previous prime is 131449. The next prime is 131477. The reversal of 131454 is 454131.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a plaindrome in base 13.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 131454.
It is an unprimeable number.
131454 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 11 ways as a sum of consecutive naturals, for example, 1152 + ... + 1260.
It is an arithmetic number, because the mean of its divisors is an integer number (12155).
2131454 is an apocalyptic number.
131454 is an abundant number, since it is smaller than the sum of its proper divisors (160266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131454 is a wasteful number, since it uses less digits than its factorization.
131454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184 (or 181 counting only the distinct ones).
The product of its digits is 240, while the sum is 18.
The square root of 131454 is about 362.5658560869. The cubic root of 131454 is about 50.8461337169.
Adding to 131454 its reverse (454131), we get a palindrome (585585).
It can be divided in two parts, 131 and 454, that added together give a palindrome (585).
The spelling of 131454 in words is "one hundred thirty-one thousand, four hundred fifty-four".
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