542140012 has 6 divisors (see below), whose sum is σ = 948745028. Its totient is φ = 271070004.

The previous prime is 542139989. The next prime is 542140019. The reversal of 542140012 is 210041245.

It is a super-2 number, since 2×542140012² = 587831585222720288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (542140019) by changing a digit.

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 as a sum of consecutive naturals, namely, 67767498 + ... + 67767505.

Almost surely, 2^542140012 is an apocalyptic number.

It is an amenable number.

542140012 is a deficient number, since it is larger than the sum of its proper divisors (406605016).

542140012 is a wasteful number, since it uses less digits than its factorization.

542140012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135535007 (or 135535005 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 542140012 is about 23283.9002746533. The cubic root of 542140012 is about 815.3995867585.

Adding to 542140012 its reverse (210041245), we get a palindrome (752181257).

The spelling of 542140012 in words is "five hundred forty-two million, one hundred forty thousand, twelve".