140122420442 has 16 divisors (see below), whose sum is σ = 211842086400. Its totient is φ = 69510556080.

The previous prime is 140122420441. The next prime is 140122420453. The reversal of 140122420442 is 244024221041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140122420441) 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, 411317 + ... + 670392.

It is an arithmetic number, because the mean of its divisors is an integer number (13240130400).

Almost surely, 2^140122420442 is an apocalyptic number.

140122420442 is a deficient number, since it is larger than the sum of its proper divisors (71719665958).

140122420442 is a wasteful number, since it uses less digits than its factorization.

140122420442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082221.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 140122420442 its reverse (244024221041), we get a palindrome (384146641483).

The spelling of 140122420442 in words is "one hundred forty billion, one hundred twenty-two million, four hundred twenty thousand, four hundred forty-two".