140420212142 has 16 divisors (see below), whose sum is σ = 241026253440. Its totient is φ = 60103618488.

The previous prime is 140420212133. The next prime is 140420212189. The reversal of 140420212142 is 241212024041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6361292 + ... + 6383327.

It is an arithmetic number, because the mean of its divisors is an integer number (15064140840).

Almost surely, 2^140420212142 is an apocalyptic number.

140420212142 is a deficient number, since it is larger than the sum of its proper divisors (100606041298).

140420212142 is a wasteful number, since it uses less digits than its factorization.

140420212142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12745415.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 140420212142 its reverse (241212024041), we get a palindrome (381632236183).

The spelling of 140420212142 in words is "one hundred forty billion, four hundred twenty million, two hundred twelve thousand, one hundred forty-two".