71274136308 has 24 divisors (see below), whose sum is σ = 175059282720. Its totient is φ = 22507621920.

The previous prime is 71274136249. The next prime is 71274136309. The reversal of 71274136308 is 80363147217.

It is a self number, because there is not a number n which added to its sum of digits gives 71274136308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71274136309) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 156302703 + ... + 156303158.

It is an arithmetic number, because the mean of its divisors is an integer number (7294136780).

Almost surely, 2^71274136308 is an apocalyptic number.

It is an amenable number.

71274136308 is an abundant number, since it is smaller than the sum of its proper divisors (103785146412).

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

71274136308 is a wasteful number, since it uses less digits than its factorization.

71274136308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312605887 (or 312605885 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 71274136308 in words is "seventy-one billion, two hundred seventy-four million, one hundred thirty-six thousand, three hundred eight".