540128165 has 8 divisors (see below), whose sum is σ = 686280600. Its totient is φ = 406684672.

The previous prime is 540128119. The next prime is 540128167. The reversal of 540128165 is 561821045.

It can be written as a sum of positive squares in 4 ways, for example, as 46977316 + 493150849 = 6854^2 + 22207^2 .

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 540128165 - 2⁶ = 540128101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540128167) by changing a digit.

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, 3177140 + ... + 3177309.

It is an arithmetic number, because the mean of its divisors is an integer number (85785075).

Almost surely, 2^540128165 is an apocalyptic number.

It is an amenable number.

540128165 is a deficient number, since it is larger than the sum of its proper divisors (146152435).

540128165 is a wasteful number, since it uses less digits than its factorization.

540128165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6354471.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 540128165 is about 23240.6575853610. The cubic root of 540128165 is about 814.3897045737.

The spelling of 540128165 in words is "five hundred forty million, one hundred twenty-eight thousand, one hundred sixty-five".