135202 has 4 divisors (see below), whose sum is σ = 202806. Its totient is φ = 67600.

The previous prime is 135197. The next prime is 135209. The reversal of 135202 is 202531.

135202 = T₂₅₈ + T₂₅₉ + ... + T₂₆₁.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202531 = 7 ⋅28933.

It can be written as a sum of positive squares in only one way, i.e., 68121 + 67081 = 261^2 + 259^2 .

It is not an unprimeable number, because it can be changed into a prime (135209) by changing a digit.

135202 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33799 + ... + 33802.

2¹³⁵²⁰² is an apocalyptic number.

135202 is a deficient number, since it is larger than the sum of its proper divisors (67604).

135202 is an equidigital number, since it uses as much as digits as its factorization.

135202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67603.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 135202 is about 367.6982458484. The cubic root of 135202 is about 51.3248519561.

Adding to 135202 its reverse (202531), we get a palindrome (337733).

The spelling of 135202 in words is "one hundred thirty-five thousand, two hundred two".