8188689142 has 8 divisors (see below), whose sum is σ = 12283439256. Its totient is φ = 4094209392.

The previous prime is 8188689097. The next prime is 8188689161. The reversal of 8188689142 is 2419868818.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46953 + ... + 136315.

It is an arithmetic number, because the mean of its divisors is an integer number (1535429907).

Almost surely, 2^8188689142 is an apocalyptic number.

8188689142 is a deficient number, since it is larger than the sum of its proper divisors (4094750114).

8188689142 is a wasteful number, since it uses less digits than its factorization.

8188689142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135182.

The product of its digits is 1769472, while the sum is 55.

The square root of 8188689142 is about 90491.3760642416. The cubic root of 8188689142 is about 2015.6020664344.

The spelling of 8188689142 in words is "eight billion, one hundred eighty-eight million, six hundred eighty-nine thousand, one hundred forty-two".