140432153636 has 12 divisors (see below), whose sum is σ = 249122793612. Its totient is φ = 69254212608.

The previous prime is 140432153599. The next prime is 140432153651. The reversal of 140432153636 is 636351234041.

It can be written as a sum of positive squares in 2 ways, for example, as 47563248100 + 92868905536 = 218090^2 + 304744^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140432153636.

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, 240465725 + ... + 240466308.

It is an arithmetic number, because the mean of its divisors is an integer number (20760232801).

Almost surely, 2^140432153636 is an apocalyptic number.

It is an amenable number.

140432153636 is a deficient number, since it is larger than the sum of its proper divisors (108690639976).

140432153636 is a wasteful number, since it uses less digits than its factorization.

140432153636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480932110 (or 480932108 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 140432153636 its reverse (636351234041), we get a palindrome (776783387677).

The spelling of 140432153636 in words is "one hundred forty billion, four hundred thirty-two million, one hundred fifty-three thousand, six hundred thirty-six".