542000140 has 72 divisors (see below), whose sum is σ = 1294387920. Its totient is φ = 190270080.

The previous prime is 542000077. The next prime is 542000143. The reversal of 542000140 is 41000245.

It is not an unprimeable number, because it can be changed into a prime (542000143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66319 + ... + 74041.

It is an arithmetic number, because the mean of its divisors is an integer number (17977610).

Almost surely, 2^542000140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542000140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647193960).

542000140 is an abundant number, since it is smaller than the sum of its proper divisors (752387780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542000140 is a wasteful number, since it uses less digits than its factorization.

542000140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7783 (or 7770 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 542000140 is about 23280.8964604029. The cubic root of 542000140 is about 815.3294564242.

Adding to 542000140 its reverse (41000245), we get a palindrome (583000385).

The spelling of 542000140 in words is "five hundred forty-two million, one hundred forty", and thus it is an aban number.