9319999140 has 72 divisors (see below), whose sum is σ = 28493337600. Its totient is φ = 2465757504.

The previous prime is 9319999121. The next prime is 9319999163. The reversal of 9319999140 is 419999139.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180990 + ... + 226709.

It is an arithmetic number, because the mean of its divisors is an integer number (395740800).

Almost surely, 2^9319999140 is an apocalyptic number.

9319999140 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9319999140 is an abundant number, since it is smaller than the sum of its proper divisors (19173338460).

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

9319999140 is a wasteful number, since it uses less digits than its factorization.

9319999140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407841 (or 407836 counting only the distinct ones).

The product of its (nonzero) digits is 708588, while the sum is 54.

The square root of 9319999140 is about 96540.1426350718. The cubic root of 9319999140 is about 2104.4500599218.

The spelling of 9319999140 in words is "nine billion, three hundred nineteen million, nine hundred ninety-nine thousand, one hundred forty".