2913188140 has 48 divisors (see below), whose sum is σ = 6269582592. Its totient is φ = 1136684736.

The previous prime is 2913188137. The next prime is 2913188171. The reversal of 2913188140 is 418813192.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2913188140.

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, 127467 + ... + 148573.

It is an arithmetic number, because the mean of its divisors is an integer number (130616304).

Almost surely, 2^2913188140 is an apocalyptic number.

2913188140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2913188140 is an abundant number, since it is smaller than the sum of its proper divisors (3356394452).

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

2913188140 is a wasteful number, since it uses less digits than its factorization.

2913188140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21286 (or 21284 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 2913188140 is about 53973.9579797517. The cubic root of 2913188140 is about 1428.2015861742.

The spelling of 2913188140 in words is "two billion, nine hundred thirteen million, one hundred eighty-eight thousand, one hundred forty".