71008138142 has 16 divisors (see below), whose sum is σ = 111201409440. Its totient is φ = 33942619392.

The previous prime is 71008138141. The next prime is 71008138163. The reversal of 71008138142 is 24183180017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71008138141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315467 + ... + 491462.

It is an arithmetic number, because the mean of its divisors is an integer number (6950088090).

Almost surely, 2^71008138142 is an apocalyptic number.

71008138142 is a deficient number, since it is larger than the sum of its proper divisors (40193271298).

71008138142 is a wasteful number, since it uses less digits than its factorization.

71008138142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808867.

The product of its (nonzero) digits is 10752, while the sum is 35.

The spelling of 71008138142 in words is "seventy-one billion, eight million, one hundred thirty-eight thousand, one hundred forty-two".