540403142 has 8 divisors (see below), whose sum is σ = 810734832. Its totient is φ = 270158200.

The previous prime is 540403121. The next prime is 540403151. The reversal of 540403142 is 241304045.

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, 2834 + ... + 32997.

It is an arithmetic number, because the mean of its divisors is an integer number (101341854).

Almost surely, 2^540403142 is an apocalyptic number.

540403142 is a deficient number, since it is larger than the sum of its proper divisors (270331690).

540403142 is a wasteful number, since it uses less digits than its factorization.

540403142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43374.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 540403142 is about 23246.5726936252. The cubic root of 540403142 is about 814.5278819305.

Adding to 540403142 its reverse (241304045), we get a palindrome (781707187).

The spelling of 540403142 in words is "five hundred forty million, four hundred three thousand, one hundred forty-two".