71136112 has 10 divisors (see below), whose sum is σ = 137826248. Its totient is φ = 35568048.

The previous prime is 71136073. The next prime is 71136113. The reversal of 71136112 is 21163117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71136113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222988 + ... + 2223019.

Almost surely, 2^71136112 is an apocalyptic number.

It is an amenable number.

71136112 is a deficient number, since it is larger than the sum of its proper divisors (66690136).

71136112 is a wasteful number, since it uses less digits than its factorization.

71136112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446015 (or 4446009 counting only the distinct ones).

The product of its digits is 252, while the sum is 22.

The square root of 71136112 is about 8434.2226672053. Note that the first 3 decimals coincide. The cubic root of 71136112 is about 414.3462140059.

Adding to 71136112 its reverse (21163117), we get a palindrome (92299229).

It can be divided in two parts, 7113 and 6112, that added together give a square (13225 = 115²).

The spelling of 71136112 in words is "seventy-one million, one hundred thirty-six thousand, one hundred twelve".