999071913140 has 96 divisors (see below), whose sum is σ = 2405108160000. Its totient is φ = 341491898880.

The previous prime is 999071913137. The next prime is 999071913143. The reversal of 999071913140 is 41319170999.

999071913140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (999071913137) and next prime (999071913143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999071913143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173778986 + ... + 173784734.

It is an arithmetic number, because the mean of its divisors is an integer number (25053210000).

Almost surely, 2^999071913140 is an apocalyptic number.

It is an amenable number.

999071913140 is an abundant number, since it is smaller than the sum of its proper divisors (1406036246860).

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

999071913140 is a wasteful number, since it uses less digits than its factorization.

With its successor (999071913141) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (9343).

With its successor (999071913141) it forms an eRAP, since the sums of their prime factors are consecutive (9345 and 9346).

999071913140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9345 (or 9343 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 53.

The spelling of 999071913140 in words is "nine hundred ninety-nine billion, seventy-one million, nine hundred thirteen thousand, one hundred forty".