540553142 has 4 divisors (see below), whose sum is σ = 810829716. Its totient is φ = 270276570.

The previous prime is 540553141. The next prime is 540553163. The reversal of 540553142 is 241355045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241355045 = 5 ⋅48271009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540553141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135138284 + ... + 135138287.

It is an arithmetic number, because the mean of its divisors is an integer number (202707429).

Almost surely, 2^540553142 is an apocalyptic number.

540553142 is a deficient number, since it is larger than the sum of its proper divisors (270276574).

540553142 is a wasteful number, since it uses less digits than its factorization.

540553142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270276573.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 540553142 is about 23249.7987518172. The cubic root of 540553142 is about 814.6032379441.

The spelling of 540553142 in words is "five hundred forty million, five hundred fifty-three thousand, one hundred forty-two".