542152140 has 96 divisors (see below), whose sum is σ = 1553900544. Its totient is φ = 141192960.

The previous prime is 542152123. The next prime is 542152183. The reversal of 542152140 is 41251245.

It is a self number, because there is not a number n which added to its sum of digits gives 542152140.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 610777 + ... + 611663.

It is an arithmetic number, because the mean of its divisors is an integer number (16186464).

Almost surely, 2^542152140 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 542152140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776950272).

542152140 is an abundant number, since it is smaller than the sum of its proper divisors (1011748404).

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

542152140 is a wasteful number, since it uses less digits than its factorization.

542152140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 542152140 is about 23284.1607106634. The cubic root of 542152140 is about 815.4056670405.

The spelling of 542152140 in words is "five hundred forty-two million, one hundred fifty-two thousand, one hundred forty".