129733 has 2 divisors, whose sum is σ = 129734. Its totient is φ = 129732.
The previous prime is 129719. The next prime is 129737. The reversal of 129733 is 337921.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 116964 + 12769 = 342^2 + 113^2 .
It is a cyclic number.
It is not a de Polignac number, because 129733 - 29 = 129221 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 129698 and 129707.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (129737) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64866 + 64867.
It is an arithmetic number, because the mean of its divisors is an integer number (64867).
2129733 is an apocalyptic number.
It is an amenable number.
129733 is a deficient number, since it is larger than the sum of its proper divisors (1).
129733 is an equidigital number, since it uses as much as digits as its factorization.
129733 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1134, while the sum is 25.
The square root of 129733 is about 360.1846748544. The cubic root of 129733 is about 50.6232651948.
The spelling of 129733 in words is "one hundred twenty-nine thousand, seven hundred thirty-three".
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