140121532252450 has 96 divisors (see below), whose sum is σ = 298244241146880. Its totient is φ = 47979438600000.

The previous prime is 140121532252433. The next prime is 140121532252459. The reversal of 140121532252450 is 54252235121041.

It is not an unprimeable number, because it can be changed into a prime (140121532252459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3865296825 + ... + 3865333075.

It is an arithmetic number, because the mean of its divisors is an integer number (3106710845280).

Almost surely, 2^{140121532252450} is an apocalyptic number.

140121532252450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140121532252450 is an abundant number, since it is smaller than the sum of its proper divisors (158122708894430).

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

140121532252450 is a wasteful number, since it uses less digits than its factorization.

140121532252450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50272 (or 50267 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 140121532252450 its reverse (54252235121041), we get a palindrome (194373767373491).

The spelling of 140121532252450 in words is "one hundred forty trillion, one hundred twenty-one billion, five hundred thirty-two million, two hundred fifty-two thousand, four hundred fifty".