542185538 has 8 divisors (see below), whose sum is σ = 832191888. Its totient is φ = 264788244.

The previous prime is 542185529. The next prime is 542185559. The reversal of 542185538 is 835581245.

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

It is a junction number, because it is equal to n+sod(n) for n = 542185495 and 542185504.

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, 3152156 + ... + 3152327.

It is an arithmetic number, because the mean of its divisors is an integer number (104023986).

Almost surely, 2^542185538 is an apocalyptic number.

542185538 is a deficient number, since it is larger than the sum of its proper divisors (290006350).

542185538 is a wasteful number, since it uses less digits than its factorization.

542185538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6304528.

The product of its digits is 192000, while the sum is 41.

The square root of 542185538 is about 23284.8778824369. The cubic root of 542185538 is about 815.4224104091.

The spelling of 542185538 in words is "five hundred forty-two million, one hundred eighty-five thousand, five hundred thirty-eight".