7135 has 4 divisors (see below), whose sum is σ = 8568. Its totient is φ = 5704.

The previous prime is 7129. The next prime is 7151. The reversal of 7135 is 5317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5317 = 13 ⋅409.

It is a cyclic number.

It is not a de Polignac number, because 7135 - 2³ = 7127 is a prime.

It is a Duffinian number.

7135 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709 + ... + 718.

It is an arithmetic number, because the mean of its divisors is an integer number (2142).

2⁷¹³⁵ is an apocalyptic number.

7135 is a deficient number, since it is larger than the sum of its proper divisors (1433).

7135 is a wasteful number, since it uses less digits than its factorization.

7135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432.

The product of its digits is 105, while the sum is 16.

The square root of 7135 is about 84.4689291988. The cubic root of 7135 is about 19.2515037899.

It can be divided in two parts, 71 and 35, that multiplied together give a triangular number (2485 = T₇₀).

The spelling of 7135 in words is "seven thousand, one hundred thirty-five".