542146636 has 12 divisors (see below), whose sum is σ = 948922128. Its totient is φ = 271026032.

The previous prime is 542146613. The next prime is 542146663. The reversal of 542146636 is 636641245.

It is a super-2 number, since 2×542146636² = 587845949852232992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542146595 and 542146604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32130 + ... + 46006.

It is an arithmetic number, because the mean of its divisors is an integer number (79076844).

Almost surely, 2^542146636 is an apocalyptic number.

It is an amenable number.

542146636 is a deficient number, since it is larger than the sum of its proper divisors (406775492).

542146636 is a wasteful number, since it uses less digits than its factorization.

542146636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23648 (or 23646 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 542146636 is about 23284.0425184288. The cubic root of 542146636 is about 815.4029076626.

The spelling of 542146636 in words is "five hundred forty-two million, one hundred forty-six thousand, six hundred thirty-six".