140140042112 has 64 divisors (see below), whose sum is σ = 319595735040. Its totient is φ = 59960839680.

The previous prime is 140140042093. The next prime is 140140042123. The reversal of 140140042112 is 211240041041.

It is a tau number, because it is divible by the number of its divisors (64).

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 7 ways as a sum of consecutive naturals, for example, 415037 + ... + 672707.

It is an arithmetic number, because the mean of its divisors is an integer number (4993683360).

Almost surely, 2^140140042112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140140042112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159797867520).

140140042112 is an abundant number, since it is smaller than the sum of its proper divisors (179455692928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140140042112 is an equidigital number, since it uses as much as digits as its factorization.

140140042112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258299 (or 258287 counting only the distinct ones).

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

Adding to 140140042112 its reverse (211240041041), we get a palindrome (351380083153).

The spelling of 140140042112 in words is "one hundred forty billion, one hundred forty million, forty-two thousand, one hundred twelve".