540388187 has 8 divisors (see below), whose sum is σ = 569690112. Its totient is φ = 511828200.

The previous prime is 540388157. The next prime is 540388193. The reversal of 540388187 is 781883045.

540388187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 540388187 - 2⁸ = 540387931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540388127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183989 + ... + 186902.

It is an arithmetic number, because the mean of its divisors is an integer number (71211264).

Almost surely, 2^540388187 is an apocalyptic number.

540388187 is a deficient number, since it is larger than the sum of its proper divisors (29301925).

540388187 is a wasteful number, since it uses less digits than its factorization.

540388187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370969.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 540388187 is about 23246.2510310803. The cubic root of 540388187 is about 814.5203681715.

The spelling of 540388187 in words is "five hundred forty million, three hundred eighty-eight thousand, one hundred eighty-seven".