71328135 has 8 divisors (see below), whose sum is σ = 114125040. Its totient is φ = 38041664.

The previous prime is 71328097. The next prime is 71328137. The reversal of 71328135 is 53182317.

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

It is a cyclic number.

It is not a de Polignac number, because 71328135 - 2⁷ = 71328007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71328137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2377590 + ... + 2377619.

It is an arithmetic number, because the mean of its divisors is an integer number (14265630).

Almost surely, 2^71328135 is an apocalyptic number.

71328135 is a deficient number, since it is larger than the sum of its proper divisors (42796905).

71328135 is a wasteful number, since it uses less digits than its factorization.

71328135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755217.

The product of its digits is 5040, while the sum is 30.

The square root of 71328135 is about 8445.5985578288. The cubic root of 71328135 is about 414.7187042314.

The spelling of 71328135 in words is "seventy-one million, three hundred twenty-eight thousand, one hundred thirty-five".