71316189 has 12 divisors (see below), whose sum is σ = 117728416. Its totient is φ = 40752072.

The previous prime is 71316149. The next prime is 71316199. The reversal of 71316189 is 98161317.

71316189 is a `hidden beast` number, since 7 + 1 + 31 + 618 + 9 = 666.

It is not a de Polignac number, because 71316189 - 2¹³ = 71307997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71316149) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 565939 + ... + 566064.

Almost surely, 2^71316189 is an apocalyptic number.

It is an amenable number.

71316189 is a deficient number, since it is larger than the sum of its proper divisors (46412227).

71316189 is a wasteful number, since it uses less digits than its factorization.

71316189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132016 (or 1132013 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 71316189 is about 8444.8912959256. The cubic root of 71316189 is about 414.6955506458.

The spelling of 71316189 in words is "seventy-one million, three hundred sixteen thousand, one hundred eighty-nine".