5142075784 has 8 divisors (see below), whose sum is σ = 9641392110. Its totient is φ = 2571037888.

The previous prime is 5142075769. The next prime is 5142075787. The reversal of 5142075784 is 4875702415.

It can be written as a sum of positive squares in only one way, i.e., 4406038884 + 736036900 = 66378^2 + 27130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 5142075784.

It is not an unprimeable number, because it can be changed into a prime (5142075787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321379729 + ... + 321379744.

Almost surely, 2^5142075784 is an apocalyptic number.

It is an amenable number.

5142075784 is a deficient number, since it is larger than the sum of its proper divisors (4499316326).

5142075784 is a wasteful number, since it uses less digits than its factorization.

5142075784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642759479 (or 642759475 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 43.

The square root of 5142075784 is about 71708.2685887757. The cubic root of 5142075784 is about 1726.0213271548.

The spelling of 5142075784 in words is "five billion, one hundred forty-two million, seventy-five thousand, seven hundred eighty-four".