9381739140 has 144 divisors (see below), whose sum is σ = 30198936768. Its totient is φ = 2443561344.

The previous prime is 9381739139. The next prime is 9381739181. The reversal of 9381739140 is 419371839.

9381739140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 186534 + ... + 231426.

Almost surely, 2^9381739140 is an apocalyptic number.

9381739140 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9381739140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15099468384).

9381739140 is an abundant number, since it is smaller than the sum of its proper divisors (20817197628).

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

9381739140 is a wasteful number, since it uses less digits than its factorization.

9381739140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44960 (or 44946 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 9381739140 is about 96859.3781726891. The cubic root of 9381739140 is about 2109.0867876444.

The spelling of 9381739140 in words is "nine billion, three hundred eighty-one million, seven hundred thirty-nine thousand, one hundred forty".