71135516 has 12 divisors (see below), whose sum is σ = 126528360. Its totient is φ = 34984560.

The previous prime is 71135513. The next prime is 71135543. The reversal of 71135516 is 61553117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71135513) 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 3 ways as a sum of consecutive naturals, for example, 145526 + ... + 146013.

It is an arithmetic number, because the mean of its divisors is an integer number (10544030).

Almost surely, 2^71135516 is an apocalyptic number.

It is an amenable number.

71135516 is a deficient number, since it is larger than the sum of its proper divisors (55392844).

71135516 is a wasteful number, since it uses less digits than its factorization.

71135516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291604 (or 291602 counting only the distinct ones).

The product of its digits is 3150, while the sum is 29.

The square root of 71135516 is about 8434.1873348889. The cubic root of 71135516 is about 414.3450568297.

The spelling of 71135516 in words is "seventy-one million, one hundred thirty-five thousand, five hundred sixteen".