140253005566 has 16 divisors (see below), whose sum is σ = 222854471856. Its totient is φ = 65971874176.

The previous prime is 140253005561. The next prime is 140253005591. The reversal of 140253005566 is 665500352041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140253005561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845956 + ... + 998071.

It is an arithmetic number, because the mean of its divisors is an integer number (13928404491).

Almost surely, 2^140253005566 is an apocalyptic number.

140253005566 is a deficient number, since it is larger than the sum of its proper divisors (82601466290).

140253005566 is a wasteful number, since it uses less digits than its factorization.

140253005566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846283.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 140253005566 in words is "one hundred forty billion, two hundred fifty-three million, five thousand, five hundred sixty-six".