140000020011242 has 32 divisors (see below), whose sum is σ = 217115391168000. Its totient is φ = 67635359064000.

The previous prime is 140000020011157. The next prime is 140000020011253. The reversal of 140000020011242 is 242110020000041.

It is a self number, because there is not a number n which added to its sum of digits gives 140000020011242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299610884 + ... + 300077792.

It is an arithmetic number, because the mean of its divisors is an integer number (6784855974000).

Almost surely, 2^{140000020011242} is an apocalyptic number.

140000020011242 is a deficient number, since it is larger than the sum of its proper divisors (77115371156758).

140000020011242 is a wasteful number, since it uses less digits than its factorization.

140000020011242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474542.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 140000020011242 its reverse (242110020000041), we get a palindrome (382110040011283).

The spelling of 140000020011242 in words is "one hundred forty trillion, twenty million, eleven thousand, two hundred forty-two".