135593 has 2 divisors, whose sum is σ = 135594. Its totient is φ = 135592.
The previous prime is 135589. The next prime is 135599. The reversal of 135593 is 395531.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 135424 + 169 = 368^2 + 13^2 .
It is a cyclic number.
It is not a de Polignac number, because 135593 - 22 = 135589 is a prime.
It is a plaindrome in base 9.
It is not a weakly prime, because it can be changed into another prime (135599) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67796 + 67797.
It is an arithmetic number, because the mean of its divisors is an integer number (67797).
2135593 is an apocalyptic number.
It is an amenable number.
135593 is a deficient number, since it is larger than the sum of its proper divisors (1).
135593 is an equidigital number, since it uses as much as digits as its factorization.
135593 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2025, while the sum is 26.
The square root of 135593 is about 368.2295479725. The cubic root of 135593 is about 51.3742809655.
The spelling of 135593 in words is "one hundred thirty-five thousand, five hundred ninety-three".
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