71134012 has 6 divisors (see below), whose sum is σ = 124484528. Its totient is φ = 35567004.

The previous prime is 71133989. The next prime is 71134027. The reversal of 71134012 is 21043117.

It is a super-2 number, since 2×71134012² = 10120095326432288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8891748 + ... + 8891755.

Almost surely, 2^71134012 is an apocalyptic number.

It is an amenable number.

71134012 is a deficient number, since it is larger than the sum of its proper divisors (53350516).

71134012 is a wasteful number, since it uses less digits than its factorization.

71134012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17783507 (or 17783505 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 71134012 is about 8434.0981734860. The cubic root of 71134012 is about 414.3421366787.

Adding to 71134012 its reverse (21043117), we get a palindrome (92177129).

The spelling of 71134012 in words is "seventy-one million, one hundred thirty-four thousand, twelve".