542134618 has 4 divisors (see below), whose sum is σ = 813201930. Its totient is φ = 271067308.

The previous prime is 542134609. The next prime is 542134651. The reversal of 542134618 is 816431245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 349951849 + 192182769 = 18707^2 + 13863^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135533653 + ... + 135533656.

Almost surely, 2^542134618 is an apocalyptic number.

542134618 is a deficient number, since it is larger than the sum of its proper divisors (271067312).

542134618 is a wasteful number, since it uses less digits than its factorization.

542134618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271067311.

The product of its digits is 23040, while the sum is 34.

The square root of 542134618 is about 23283.7844432558. The cubic root of 542134618 is about 815.3968824879.

The spelling of 542134618 in words is "five hundred forty-two million, one hundred thirty-four thousand, six hundred eighteen".