71140414542 has 64 divisors (see below), whose sum is σ = 153003755520. Its totient is φ = 22009190400.

The previous prime is 71140414531. The next prime is 71140414567. The reversal of 71140414542 is 24541404117.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 370878 + ... + 528990.

It is an arithmetic number, because the mean of its divisors is an integer number (2390683680).

Almost surely, 2^71140414542 is an apocalyptic number.

71140414542 is an abundant number, since it is smaller than the sum of its proper divisors (81863340978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71140414542 is a wasteful number, since it uses less digits than its factorization.

71140414542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158249.

The product of its (nonzero) digits is 17920, while the sum is 33.

Adding to 71140414542 its reverse (24541404117), we get a palindrome (95681818659).

The spelling of 71140414542 in words is "seventy-one billion, one hundred forty million, four hundred fourteen thousand, five hundred forty-two".