542137918 has 8 divisors (see below), whose sum is σ = 929379312. Its totient is φ = 232344816.

The previous prime is 542137891. The next prime is 542137979. The reversal of 542137918 is 819731245.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19362055 + ... + 19362082.

It is an arithmetic number, because the mean of its divisors is an integer number (116172414).

Almost surely, 2^542137918 is an apocalyptic number.

542137918 is a deficient number, since it is larger than the sum of its proper divisors (387241394).

542137918 is a wasteful number, since it uses less digits than its factorization.

542137918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38724146.

The product of its digits is 60480, while the sum is 40.

The square root of 542137918 is about 23283.8553079167. The cubic root of 542137918 is about 815.3985369381.

The spelling of 542137918 in words is "five hundred forty-two million, one hundred thirty-seven thousand, nine hundred eighteen".