131026 has 16 divisors (see below), whose sum is σ = 230400. Its totient is φ = 55860.
The previous prime is 131023. The next prime is 131041. The reversal of 131026 is 620131.
It is a junction number, because it is equal to n+sod(n) for n = 130997 and 131015.
It is not an unprimeable number, because it can be changed into a prime (131023) 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 7 ways as a sum of consecutive naturals, for example, 591 + ... + 781.
It is an arithmetic number, because the mean of its divisors is an integer number (14400).
2131026 is an apocalyptic number.
131026 is a deficient number, since it is larger than the sum of its proper divisors (99374).
131026 is an equidigital number, since it uses as much as digits as its factorization.
131026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 214 (or 200 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 131026 is about 361.9751372677. The cubic root of 131026 is about 50.7908905484.
Adding to 131026 its reverse (620131), we get a palindrome (751157).
The spelling of 131026 in words is "one hundred thirty-one thousand, twenty-six".
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