140728062008 has 8 divisors (see below), whose sum is σ = 263865116280. Its totient is φ = 70364031000.

The previous prime is 140728061959. The next prime is 140728062053. The reversal of 140728062008 is 800260827041.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8795503868 + ... + 8795503883.

It is an arithmetic number, because the mean of its divisors is an integer number (32983139535).

Almost surely, 2^140728062008 is an apocalyptic number.

It is an amenable number.

140728062008 is a deficient number, since it is larger than the sum of its proper divisors (123137054272).

140728062008 is a wasteful number, since it uses less digits than its factorization.

140728062008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17591007757 (or 17591007753 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

Adding to 140728062008 its reverse (800260827041), we get a palindrome (940988889049).

The spelling of 140728062008 in words is "one hundred forty billion, seven hundred twenty-eight million, sixty-two thousand, eight".