540204142 has 8 divisors (see below), whose sum is σ = 810495432. Its totient is φ = 270039000.

The previous prime is 540204131. The next prime is 540204167. The reversal of 540204142 is 241402045.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19984 + ... + 38467.

It is an arithmetic number, because the mean of its divisors is an integer number (101311929).

Almost surely, 2^540204142 is an apocalyptic number.

540204142 is a deficient number, since it is larger than the sum of its proper divisors (270291290).

540204142 is a wasteful number, since it uses less digits than its factorization.

540204142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63074.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 540204142 is about 23242.2920986722. The cubic root of 540204142 is about 814.4278880948.

Adding to 540204142 its reverse (241402045), we get a palindrome (781606187).

The spelling of 540204142 in words is "five hundred forty million, two hundred four thousand, one hundred forty-two".