9903387140 has 24 divisors (see below), whose sum is σ = 20991483072. Its totient is φ = 3924332000.

The previous prime is 9903387139. The next prime is 9903387163. The reversal of 9903387140 is 417833099.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9903387091 and 9903387100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2311736 + ... + 2316015.

It is an arithmetic number, because the mean of its divisors is an integer number (874645128).

Almost surely, 2^9903387140 is an apocalyptic number.

It is an amenable number.

9903387140 is an abundant number, since it is smaller than the sum of its proper divisors (11088095932).

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

9903387140 is a wasteful number, since it uses less digits than its factorization.

9903387140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627867 (or 4627865 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 9903387140 is about 99515.7632739658. The cubic root of 9903387140 is about 2147.4740221004.

The spelling of 9903387140 in words is "nine billion, nine hundred three million, three hundred eighty-seven thousand, one hundred forty".