71189135 has 8 divisors (see below), whose sum is σ = 86827776. Its totient is φ = 56017440.

The previous prime is 71189119. The next prime is 71189137. The reversal of 71189135 is 53198117.

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

It is not a de Polignac number, because 71189135 - 2⁴ = 71189119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71189095 and 71189104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71189137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116399 + ... + 117008.

It is an arithmetic number, because the mean of its divisors is an integer number (10853472).

Almost surely, 2^71189135 is an apocalyptic number.

71189135 is a deficient number, since it is larger than the sum of its proper divisors (15638641).

71189135 is a wasteful number, since it uses less digits than its factorization.

71189135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233473.

The product of its digits is 7560, while the sum is 35.

The square root of 71189135 is about 8437.3654063339. The cubic root of 71189135 is about 414.4491360537.

The spelling of 71189135 in words is "seventy-one million, one hundred eighty-nine thousand, one hundred thirty-five".