540138086 has 4 divisors (see below), whose sum is σ = 810207132. Its totient is φ = 270069042.

The previous prime is 540138083. The next prime is 540138119. The reversal of 540138086 is 680831045.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540138083) 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 as a sum of consecutive naturals, namely, 135034520 + ... + 135034523.

It is an arithmetic number, because the mean of its divisors is an integer number (202551783).

Almost surely, 2^540138086 is an apocalyptic number.

540138086 is a deficient number, since it is larger than the sum of its proper divisors (270069046).

540138086 is a wasteful number, since it uses less digits than its factorization.

540138086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270069045.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 540138086 is about 23240.8710249853. The cubic root of 540138086 is about 814.3946907426.

The spelling of 540138086 in words is "five hundred forty million, one hundred thirty-eight thousand, eighty-six".