8142102942 has 32 divisors (see below), whose sum is σ = 16822923264. Its totient is φ = 2624388000.

The previous prime is 8142102937. The next prime is 8142102949. The reversal of 8142102942 is 2492012418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142102949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225163 + ... + 258809.

It is an arithmetic number, because the mean of its divisors is an integer number (525716352).

Almost surely, 2^8142102942 is an apocalyptic number.

8142102942 is an abundant number, since it is smaller than the sum of its proper divisors (8680820322).

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

8142102942 is a wasteful number, since it uses less digits than its factorization.

8142102942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34984.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 8142102942 is about 90233.6020670792. The cubic root of 8142102942 is about 2011.7724802244.

The spelling of 8142102942 in words is "eight billion, one hundred forty-two million, one hundred two thousand, nine hundred forty-two".