135799 has 2 divisors, whose sum is σ = 135800.
Its totient is φ = 135798.
The previous prime is 135787. The next prime is 135829. The reversal of 135799 is 997531.
135799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 135799 - 27 = 135671 is a prime.
It is a plaindrome in base 10.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (135719) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67899 + 67900.
It is an arithmetic number, because the mean of its divisors is an integer number (67900).
2135799 is an apocalyptic number.
135799 is a deficient number, since it is larger than the sum of its proper divisors (1).
135799 is an equidigital number, since it uses as much as digits as its factorization.
135799 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 8505, while the sum is 34.
The square root of 135799 is about 368.5091586379.
The cubic root of 135799 is about 51.4002846356.
The spelling of 135799 in words is "one hundred thirty-five thousand, seven hundred ninety-nine".