540113128 has 8 divisors (see below), whose sum is σ = 1012712130. Its totient is φ = 270056560.

The previous prime is 540113107. The next prime is 540113129. The reversal of 540113128 is 821311045.

It can be written as a sum of positive squares in only one way, i.e., 492751204 + 47361924 = 22198^2 + 6882^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (540113129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33757063 + ... + 33757078.

Almost surely, 2^540113128 is an apocalyptic number.

It is an amenable number.

540113128 is a deficient number, since it is larger than the sum of its proper divisors (472599002).

540113128 is a wasteful number, since it uses less digits than its factorization.

540113128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67514147 (or 67514143 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 540113128 is about 23240.3340767726. The cubic root of 540113128 is about 814.3821470516.

The spelling of 540113128 in words is "five hundred forty million, one hundred thirteen thousand, one hundred twenty-eight".