135097 has 4 divisors (see below), whose sum is σ = 137700. Its totient is φ = 132496.

The previous prime is 135089. The next prime is 135101. The reversal of 135097 is 790531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112896 + 22201 = 336^2 + 149^2 .

It is a cyclic number.

It is not a de Polignac number, because 135097 - 2³ = 135089 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (135007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222 + ... + 1327.

It is an arithmetic number, because the mean of its divisors is an integer number (34425).

2¹³⁵⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

135097 is a deficient number, since it is larger than the sum of its proper divisors (2603).

135097 is an equidigital number, since it uses as much as digits as its factorization.

135097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 135097 is about 367.5554379954. Note that the first 3 decimals coincide. The cubic root of 135097 is about 51.3115619526.

The spelling of 135097 in words is "one hundred thirty-five thousand, ninety-seven".