9137989128 has 16 divisors (see below), whose sum is σ = 22844972880. Its totient is φ = 3045996368.

The previous prime is 9137989127. The next prime is 9137989153. The reversal of 9137989128 is 8219897319.

It is not an unprimeable number, because it can be changed into a prime (9137989127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190374750 + ... + 190374797.

It is an arithmetic number, because the mean of its divisors is an integer number (1427810805).

Almost surely, 2^9137989128 is an apocalyptic number.

It is an amenable number.

9137989128 is an abundant number, since it is smaller than the sum of its proper divisors (13706983752).

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

9137989128 is a wasteful number, since it uses less digits than its factorization.

9137989128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380749556 (or 380749552 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 57.

The square root of 9137989128 is about 95592.8298984814. The cubic root of 9137989128 is about 2090.6606526938.

The spelling of 9137989128 in words is "nine billion, one hundred thirty-seven million, nine hundred eighty-nine thousand, one hundred twenty-eight".