9168439142 has 8 divisors (see below), whose sum is σ = 13753074456. Its totient is φ = 4584080992.

The previous prime is 9168439123. The next prime is 9168439153. The reversal of 9168439142 is 2419348619.

9168439142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67118 + ... + 151134.

It is an arithmetic number, because the mean of its divisors is an integer number (1719134307).

Almost surely, 2^9168439142 is an apocalyptic number.

9168439142 is a deficient number, since it is larger than the sum of its proper divisors (4584635314).

9168439142 is a wasteful number, since it uses less digits than its factorization.

9168439142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138582.

The product of its digits is 373248, while the sum is 47.

The square root of 9168439142 is about 95751.9667787560. The cubic root of 9168439142 is about 2092.9802755678.

The spelling of 9168439142 in words is "nine billion, one hundred sixty-eight million, four hundred thirty-nine thousand, one hundred forty-two".