71077336142 has 32 divisors (see below), whose sum is σ = 109609150752. Its totient is φ = 34554392704.

The previous prime is 71077336139. The next prime is 71077336157. The reversal of 71077336142 is 24163377017.

It is a self number, because there is not a number n which added to its sum of digits gives 71077336142.

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 15 ways as a sum of consecutive naturals, for example, 5807033 + ... + 5819259.

It is an arithmetic number, because the mean of its divisors is an integer number (3425285961).

Almost surely, 2^71077336142 is an apocalyptic number.

71077336142 is a deficient number, since it is larger than the sum of its proper divisors (38531814610).

71077336142 is a wasteful number, since it uses less digits than its factorization.

71077336142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12772.

The product of its (nonzero) digits is 148176, while the sum is 41.

The spelling of 71077336142 in words is "seventy-one billion, seventy-seven million, three hundred thirty-six thousand, one hundred forty-two".