135502 has 4 divisors (see below), whose sum is σ = 203256. Its totient is φ = 67750.

The previous prime is 135497. The next prime is 135511. The reversal of 135502 is 205531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 205531 = 47 ⋅4373.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

135502 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 33874 + ... + 33877.

It is an arithmetic number, because the mean of its divisors is an integer number (50814).

2¹³⁵⁵⁰² is an apocalyptic number.

135502 is a deficient number, since it is larger than the sum of its proper divisors (67754).

135502 is an equidigital number, since it uses as much as digits as its factorization.

135502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67753.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 135502 is about 368.1059630052. The cubic root of 135502 is about 51.3627855200.

The spelling of 135502 in words is "one hundred thirty-five thousand, five hundred two".