135179 has 4 divisors (see below), whose sum is σ = 147480. Its totient is φ = 122880.

The previous prime is 135173. The next prime is 135181. The reversal of 135179 is 971531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 971531 = 11 ⋅88321.

It is a cyclic number.

It is not a de Polignac number, because 135179 - 2⁸ = 134923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6134 + ... + 6155.

It is an arithmetic number, because the mean of its divisors is an integer number (36870).

2¹³⁵¹⁷⁹ is an apocalyptic number.

135179 is a deficient number, since it is larger than the sum of its proper divisors (12301).

135179 is a wasteful number, since it uses less digits than its factorization.

135179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12300.

The product of its digits is 945, while the sum is 26.

The square root of 135179 is about 367.6669688726. Note that the first 3 decimals coincide. The cubic root of 135179 is about 51.3219414012.

The spelling of 135179 in words is "one hundred thirty-five thousand, one hundred seventy-nine".