540243136 has 56 divisors (see below), whose sum is σ = 1184513760. Its totient is φ = 243167232.

The previous prime is 540243079. The next prime is 540243161. The reversal of 540243136 is 631342045.

It is a super-2 number, since 2×540243136² = 583725291990228992, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14230 + ... + 35818.

Almost surely, 2^540243136 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 540243136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592256880).

540243136 is an abundant number, since it is smaller than the sum of its proper divisors (644270624).

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

540243136 is a wasteful number, since it uses less digits than its factorization.

540243136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21641 (or 21631 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 540243136 is about 23243.1309422806. The cubic root of 540243136 is about 814.4474837961.

The spelling of 540243136 in words is "five hundred forty million, two hundred forty-three thousand, one hundred thirty-six".