9903139386 has 32 divisors (see below), whose sum is σ = 22648025088. Its totient is φ = 2827933680.

The previous prime is 9903139361. The next prime is 9903139403. The reversal of 9903139386 is 6839313099.

9903139386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×9903139386³ (a number of 31 digits) contains 333 as substring.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 15571 + ... + 141593.

It is an arithmetic number, because the mean of its divisors is an integer number (707750784).

Almost surely, 2^9903139386 is an apocalyptic number.

9903139386 is an abundant number, since it is smaller than the sum of its proper divisors (12744885702).

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

9903139386 is a wasteful number, since it uses less digits than its factorization.

9903139386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127906.

The product of its (nonzero) digits is 944784, while the sum is 51.

The square root of 9903139386 is about 99514.5184684124. The cubic root of 9903139386 is about 2147.4561140955.

The spelling of 9903139386 in words is "nine billion, nine hundred three million, one hundred thirty-nine thousand, three hundred eighty-six".