543540140 has 96 divisors (see below), whose sum is σ = 1399458816. Its totient is φ = 174493440.

The previous prime is 543540131. The next prime is 543540161. The reversal of 543540140 is 41045345.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61649 + ... + 69911.

It is an arithmetic number, because the mean of its divisors is an integer number (14577696).

Almost surely, 2^543540140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543540140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (699729408).

543540140 is an abundant number, since it is smaller than the sum of its proper divisors (855918676).

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

543540140 is a wasteful number, since it uses less digits than its factorization.

543540140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8319 (or 8317 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 543540140 is about 23313.9473277264. The cubic root of 543540140 is about 816.1009322638.

Adding to 543540140 its reverse (41045345), we get a palindrome (584585485).

The spelling of 543540140 in words is "five hundred forty-three million, five hundred forty thousand, one hundred forty".