43100140 has 12 divisors (see below), whose sum is σ = 90510336. Its totient is φ = 17240048.

The previous prime is 43100129. The next prime is 43100159. The reversal of 43100140 is 4100134.

It is a self number, because there is not a number n which added to its sum of digits gives 43100140.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077484 + ... + 1077523.

It is an arithmetic number, because the mean of its divisors is an integer number (7542528).

Almost surely, 2^43100140 is an apocalyptic number.

It is an amenable number.

43100140 is an abundant number, since it is smaller than the sum of its proper divisors (47410196).

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

43100140 is a wasteful number, since it uses less digits than its factorization.

43100140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155016 (or 2155014 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 43100140 is about 6565.0696873681. The cubic root of 43100140 is about 350.6115566521.

Adding to 43100140 its reverse (4100134), we get a palindrome (47200274).

The spelling of 43100140 in words is "forty-three million, one hundred thousand, one hundred forty".