540072185 has 8 divisors (see below), whose sum is σ = 649287816. Its totient is φ = 431256960.

The previous prime is 540072179. The next prime is 540072209. The reversal of 540072185 is 581270045.

It can be written as a sum of positive squares in 4 ways, for example, as 60637369 + 479434816 = 7787^2 + 21896^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540072185 - 2¹⁸ = 539810041 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 97124 + ... + 102533.

It is an arithmetic number, because the mean of its divisors is an integer number (81160977).

Almost surely, 2^540072185 is an apocalyptic number.

It is an amenable number.

540072185 is a deficient number, since it is larger than the sum of its proper divisors (109215631).

540072185 is a wasteful number, since it uses less digits than its factorization.

540072185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200203.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 540072185 is about 23239.4531992472. The cubic root of 540072185 is about 814.3615685906.

The spelling of 540072185 in words is "five hundred forty million, seventy-two thousand, one hundred eighty-five".