9168439136 has 12 divisors (see below), whose sum is σ = 18050364612. Its totient is φ = 4584219552.

The previous prime is 9168439123. The next prime is 9168439153. The reversal of 9168439136 is 6319348619.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143256830 + ... + 143256893.

It is an arithmetic number, because the mean of its divisors is an integer number (1504197051).

Almost surely, 2^9168439136 is an apocalyptic number.

It is an amenable number.

9168439136 is a deficient number, since it is larger than the sum of its proper divisors (8881925476).

9168439136 is a wasteful number, since it uses less digits than its factorization.

9168439136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286513733 (or 286513725 counting only the distinct ones).

The product of its digits is 839808, while the sum is 50.

The square root of 9168439136 is about 95751.9667474251. The cubic root of 9168439136 is about 2092.9802751112.

The spelling of 9168439136 in words is "nine billion, one hundred sixty-eight million, four hundred thirty-nine thousand, one hundred thirty-six".