5206140142 has 24 divisors (see below), whose sum is σ = 9174143160. Its totient is φ = 2209107600.

The previous prime is 5206140139. The next prime is 5206140157. The reversal of 5206140142 is 2410416025.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253092 + ... + 272887.

It is an arithmetic number, because the mean of its divisors is an integer number (382255965).

Almost surely, 2^5206140142 is an apocalyptic number.

5206140142 is a deficient number, since it is larger than the sum of its proper divisors (3968003018).

5206140142 is a wasteful number, since it uses less digits than its factorization.

5206140142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526096 (or 526089 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 5206140142 is about 72153.5871734732. The cubic root of 5206140142 is about 1733.1598438868.

Adding to 5206140142 its reverse (2410416025), we get a palindrome (7616556167).

The spelling of 5206140142 in words is "five billion, two hundred six million, one hundred forty thousand, one hundred forty-two".