542149238 has 8 divisors (see below), whose sum is σ = 848581488. Its totient is φ = 259288744.

The previous prime is 542149217. The next prime is 542149241. The reversal of 542149238 is 832941245.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5892881 + ... + 5892972.

It is an arithmetic number, because the mean of its divisors is an integer number (106072686).

Almost surely, 2^542149238 is an apocalyptic number.

542149238 is a deficient number, since it is larger than the sum of its proper divisors (306432250).

542149238 is a wasteful number, since it uses less digits than its factorization.

542149238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11785878.

The product of its digits is 69120, while the sum is 38.

The square root of 542149238 is about 23284.0983935389. The cubic root of 542149238 is about 815.4042121528.

The spelling of 542149238 in words is "five hundred forty-two million, one hundred forty-nine thousand, two hundred thirty-eight".