135298 has 8 divisors (see below), whose sum is σ = 206460. Its totient is φ = 66480.

The previous prime is 135283. The next prime is 135301. The reversal of 135298 is 892531.

It can be written as a sum of positive squares in 2 ways, for example, as 88209 + 47089 = 297^2 + 217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

135298 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 in 3 ways as a sum of consecutive naturals, for example, 433 + ... + 676.

2¹³⁵²⁹⁸ is an apocalyptic number.

135298 is a deficient number, since it is larger than the sum of its proper divisors (71162).

135298 is a wasteful number, since it uses less digits than its factorization.

135298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172.

The product of its digits is 2160, while the sum is 28.

The square root of 135298 is about 367.8287645087. The cubic root of 135298 is about 51.3369967963.

It can be divided in two parts, 1352 and 98, that multiplied together give a square (132496 = 364²).

The spelling of 135298 in words is "one hundred thirty-five thousand, two hundred ninety-eight".