140231120142 has 64 divisors (see below), whose sum is σ = 288033261120. Its totient is φ = 45498931200.

The previous prime is 140231120137. The next prime is 140231120153. The reversal of 140231120142 is 241021132041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42325878 + ... + 42329190.

It is an arithmetic number, because the mean of its divisors is an integer number (4500519705).

Almost surely, 2^140231120142 is an apocalyptic number.

140231120142 is an abundant number, since it is smaller than the sum of its proper divisors (147802140978).

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

140231120142 is a wasteful number, since it uses less digits than its factorization.

140231120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 140231120142 its reverse (241021132041), we get a palindrome (381252252183).

The spelling of 140231120142 in words is "one hundred forty billion, two hundred thirty-one million, one hundred twenty thousand, one hundred forty-two".