140020910632 has 32 divisors (see below), whose sum is σ = 269684784000. Its totient is φ = 68105669184.

The previous prime is 140020910611. The next prime is 140020910633. The reversal of 140020910632 is 236019020041.

It is a self number, because there is not a number n which added to its sum of digits gives 140020910632.

It is not an unprimeable number, because it can be changed into a prime (140020910633) 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, 1670869 + ... + 1752667.

It is an arithmetic number, because the mean of its divisors is an integer number (8427649500).

Almost surely, 2^140020910632 is an apocalyptic number.

It is an amenable number.

140020910632 is a deficient number, since it is larger than the sum of its proper divisors (129663873368).

140020910632 is a wasteful number, since it uses less digits than its factorization.

140020910632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87625 (or 87621 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 140020910632 its reverse (236019020041), we get a palindrome (376039930673).

The spelling of 140020910632 in words is "one hundred forty billion, twenty million, nine hundred ten thousand, six hundred thirty-two".