140420101142 has 16 divisors (see below), whose sum is σ = 217810916352. Its totient is φ = 67824509160.

The previous prime is 140420101109. The next prime is 140420101187. The reversal of 140420101142 is 241101024041.

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, 1976498 + ... + 2046309.

It is an arithmetic number, because the mean of its divisors is an integer number (13613182272).

Almost surely, 2^140420101142 is an apocalyptic number.

140420101142 is a deficient number, since it is larger than the sum of its proper divisors (77390815210).

140420101142 is a wasteful number, since it uses less digits than its factorization.

140420101142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023403.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 140420101142 its reverse (241101024041), we get a palindrome (381521125183).

The spelling of 140420101142 in words is "one hundred forty billion, four hundred twenty million, one hundred one thousand, one hundred forty-two".