131836 has 12 divisors (see below), whose sum is σ = 240912. Its totient is φ = 63008.
The previous prime is 131797. The next prime is 131837. The reversal of 131836 is 638131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131837) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625 + ... + 808.
It is an arithmetic number, because the mean of its divisors is an integer number (20076).
2131836 is an apocalyptic number.
It is an amenable number.
131836 is a deficient number, since it is larger than the sum of its proper divisors (109076).
131836 is a wasteful number, since it uses less digits than its factorization.
131836 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1460 (or 1458 counting only the distinct ones).
The product of its digits is 432, while the sum is 22.
The square root of 131836 is about 363.0922747732. The cubic root of 131836 is about 50.8953383539.
Adding to 131836 its reverse (638131), we get a palindrome (769967).
It can be divided in two parts, 13 and 1836, that added together give a square (1849 = 432).
The spelling of 131836 in words is "one hundred thirty-one thousand, eight hundred thirty-six".
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