71342222243142 has 16 divisors (see below), whose sum is σ = 143307520665840. Its totient is φ = 23676894717792.

The previous prime is 71342222243129. The next prime is 71342222243147. The reversal of 71342222243142 is 24134222224317.

It is a self number, because there is not a number n which added to its sum of digits gives 71342222243142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71342222243147) 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, 25961505993 + ... + 25961508740.

It is an arithmetic number, because the mean of its divisors is an integer number (8956720041615).

Almost surely, 2^{71342222243142} is an apocalyptic number.

71342222243142 is an abundant number, since it is smaller than the sum of its proper divisors (71965298422698).

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

71342222243142 is a wasteful number, since it uses less digits than its factorization.

71342222243142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51923014967.

The product of its digits is 258048, while the sum is 39.

Adding to 71342222243142 its reverse (24134222224317), we get a palindrome (95476444467459).

The spelling of 71342222243142 in words is "seventy-one trillion, three hundred forty-two billion, two hundred twenty-two million, two hundred forty-three thousand, one hundred forty-two".