8142140813534 has 32 divisors (see below), whose sum is σ = 15058631560896. Its totient is φ = 3215283770880.

The previous prime is 8142140813503. The next prime is 8142140813561. The reversal of 8142140813534 is 4353180412418.

It is a happy number.

It is a super-2 number, since 2×8142140813534² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40057547 + ... + 40260294.

It is an arithmetic number, because the mean of its divisors is an integer number (470582236278).

Almost surely, 2^{8142140813534} is an apocalyptic number.

8142140813534 is a deficient number, since it is larger than the sum of its proper divisors (6916490747362).

8142140813534 is a wasteful number, since it uses less digits than its factorization.

8142140813534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80318420.

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 8142140813534 in words is "eight trillion, one hundred forty-two billion, one hundred forty million, eight hundred thirteen thousand, five hundred thirty-four".