140528142808 has 16 divisors (see below), whose sum is σ = 263939152680. Its totient is φ = 70144368768.

The previous prime is 140528142791. The next prime is 140528142823. The reversal of 140528142808 is 808241825041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14957841 + ... + 14967232.

Almost surely, 2^140528142808 is an apocalyptic number.

It is an amenable number.

140528142808 is a deficient number, since it is larger than the sum of its proper divisors (123411009872).

140528142808 is a wasteful number, since it uses less digits than its factorization.

140528142808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29925666 (or 29925662 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 43.

Adding to 140528142808 its reverse (808241825041), we get a palindrome (948769967849).

The spelling of 140528142808 in words is "one hundred forty billion, five hundred twenty-eight million, one hundred forty-two thousand, eight hundred eight".