140434420142 has 32 divisors (see below), whose sum is σ = 225785428992. Its totient is φ = 65355113824.

The previous prime is 140434420123. The next prime is 140434420151. The reversal of 140434420142 is 241024434041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186293 + ... + 561759.

It is an arithmetic number, because the mean of its divisors is an integer number (7055794656).

Almost surely, 2^140434420142 is an apocalyptic number.

140434420142 is a deficient number, since it is larger than the sum of its proper divisors (85351008850).

140434420142 is a wasteful number, since it uses less digits than its factorization.

140434420142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375712.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 140434420142 its reverse (241024434041), we get a palindrome (381458854183).

The spelling of 140434420142 in words is "one hundred forty billion, four hundred thirty-four million, four hundred twenty thousand, one hundred forty-two".