140233434121128 has 32 divisors (see below), whose sum is σ = 350702306640000. Its totient is φ = 46728648528768.

The previous prime is 140233434121127. The next prime is 140233434121181. The reversal of 140233434121128 is 821121434332041.

It is not an unprimeable number, because it can be changed into a prime (140233434121127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989272128 + ... + 989413871.

It is an arithmetic number, because the mean of its divisors is an integer number (10959447082500).

Almost surely, 2^{140233434121128} is an apocalyptic number.

It is an amenable number.

140233434121128 is an abundant number, since it is smaller than the sum of its proper divisors (210468872518872).

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

140233434121128 is a wasteful number, since it uses less digits than its factorization.

140233434121128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978688961 (or 1978688957 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

Adding to 140233434121128 its reverse (821121434332041), we get a palindrome (961354868453169).

The spelling of 140233434121128 in words is "one hundred forty trillion, two hundred thirty-three billion, four hundred thirty-four million, one hundred twenty-one thousand, one hundred twenty-eight".