71135 has 8 divisors (see below), whose sum is σ = 87696. Its totient is φ = 55360.

The previous prime is 71129. The next prime is 71143. The reversal of 71135 is 53117.

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

It is not a de Polignac number, because 71135 - 2⁴ = 71119 is a prime.

It is an Ulam number.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 32 + ... + 378.

It is an arithmetic number, because the mean of its divisors is an integer number (10962).

2⁷¹¹³⁵ is an apocalyptic number.

71135 is a deficient number, since it is larger than the sum of its proper divisors (16561).

71135 is a wasteful number, since it uses less digits than its factorization.

71135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its digits is 105, while the sum is 17.

The square root of 71135 is about 266.7114545722. The cubic root of 71135 is about 41.4344054974.

The spelling of 71135 in words is "seventy-one thousand, one hundred thirty-five".