140131211142 has 32 divisors (see below), whose sum is σ = 314943729408. Its totient is φ = 41242630176.

The previous prime is 140131211111. The next prime is 140131211149. The reversal of 140131211142 is 241112131041.

It is a super-2 number, since 2×140131211142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140131211149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39053728 + ... + 39057315.

It is an arithmetic number, because the mean of its divisors is an integer number (9841991544).

Almost surely, 2^140131211142 is an apocalyptic number.

140131211142 is an abundant number, since it is smaller than the sum of its proper divisors (174812518266).

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

140131211142 is a wasteful number, since it uses less digits than its factorization.

140131211142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78111084.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 140131211142 its reverse (241112131041), we get a palindrome (381243342183).

The spelling of 140131211142 in words is "one hundred forty billion, one hundred thirty-one million, two hundred eleven thousand, one hundred forty-two".