999313140 has 48 divisors (see below), whose sum is σ = 3197803392. Its totient is φ = 228414336.

The previous prime is 999313129. The next prime is 999313141. The reversal of 999313140 is 41313999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999313141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1189239 + ... + 1190078.

It is an arithmetic number, because the mean of its divisors is an integer number (66620904).

Almost surely, 2^999313140 is an apocalyptic number.

It is an amenable number.

999313140 is an abundant number, since it is smaller than the sum of its proper divisors (2198490252).

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

999313140 is a wasteful number, since it uses less digits than its factorization.

999313140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379336 (or 2379334 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 999313140 is about 31611.9145260138. The cubic root of 999313140 is about 999.7709942270.

The spelling of 999313140 in words is "nine hundred ninety-nine million, three hundred thirteen thousand, one hundred forty".