131434 has 4 divisors (see below), whose sum is σ = 197154. Its totient is φ = 65716.
The previous prime is 131431. The next prime is 131437. The reversal of 131434 is 434131.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (131431) and next prime (131437).
It can be written as a sum of positive squares in only one way, i.e., 120409 + 11025 = 347^2 + 105^2 .
It is not an unprimeable number, because it can be changed into a prime (131431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32857 + ... + 32860.
2131434 is an apocalyptic number.
131434 is a deficient number, since it is larger than the sum of its proper divisors (65720).
131434 is an equidigital number, since it uses as much as digits as its factorization.
131434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65719.
The product of its digits is 144, while the sum is 16.
The square root of 131434 is about 362.5382738415. The cubic root of 131434 is about 50.8435549334.
Adding to 131434 its reverse (434131), we get a palindrome (565565).
It can be divided in two parts, 131 and 434, that added together give a palindrome (565).
The spelling of 131434 in words is "one hundred thirty-one thousand, four hundred thirty-four".
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