540136055 has 4 divisors (see below), whose sum is σ = 648163272. Its totient is φ = 432108840.

The previous prime is 540136031. The next prime is 540136057. The reversal of 540136055 is 550631045.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 540136055 - 2¹⁶ = 540070519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540136057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54013601 + ... + 54013610.

It is an arithmetic number, because the mean of its divisors is an integer number (162040818).

Almost surely, 2^540136055 is an apocalyptic number.

540136055 is a deficient number, since it is larger than the sum of its proper divisors (108027217).

540136055 is a wasteful number, since it uses less digits than its factorization.

540136055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108027216.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 540136055 is about 23240.8273303684. The cubic root of 540136055 is about 814.3936699927.

The spelling of 540136055 in words is "five hundred forty million, one hundred thirty-six thousand, fifty-five".