140042140031422 has 16 divisors (see below), whose sum is σ = 211696542555120. Its totient is φ = 69477207210432.

The previous prime is 140042140031369. The next prime is 140042140031429. The reversal of 140042140031422 is 224130041240041.

It is a super-2 number, since 2×140042140031422² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140042140031429) 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, 144858303 + ... + 145821850.

It is an arithmetic number, because the mean of its divisors is an integer number (13231033909695).

Almost surely, 2^{140042140031422} is an apocalyptic number.

140042140031422 is a deficient number, since it is larger than the sum of its proper divisors (71654402523698).

140042140031422 is a wasteful number, since it uses less digits than its factorization.

140042140031422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290682027.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 140042140031422 its reverse (224130041240041), we get a palindrome (364172181271463).

The spelling of 140042140031422 in words is "one hundred forty trillion, forty-two billion, one hundred forty million, thirty-one thousand, four hundred twenty-two".