131354 has 4 divisors (see below), whose sum is σ = 197034. Its totient is φ = 65676.
The previous prime is 131321. The next prime is 131357. The reversal of 131354 is 453131.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 126025 + 5329 = 355^2 + 73^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (131357) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32837 + ... + 32840.
2131354 is an apocalyptic number.
131354 is a deficient number, since it is larger than the sum of its proper divisors (65680).
131354 is an equidigital number, since it uses as much as digits as its factorization.
131354 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65679.
The product of its digits is 180, while the sum is 17.
The square root of 131354 is about 362.4279238690. The cubic root of 131354 is about 50.8332371822.
Adding to 131354 its reverse (453131), we get a palindrome (584485).
The spelling of 131354 in words is "one hundred thirty-one thousand, three hundred fifty-four".
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