140243313241000 has 128 divisors (see below), whose sum is σ = 331655962528800. Its totient is φ = 55501684531200.

The previous prime is 140243313240907. The next prime is 140243313241007. The reversal of 140243313241000 is 142313342041.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 134473290436 + 140108839950564 = 366706^2 + 11836758^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140243313241000.

It is not an unprimeable number, because it can be changed into a prime (140243313241007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312989122 + ... + 313436878.

Almost surely, 2^{140243313241000} is an apocalyptic number.

140243313241000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140243313241000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165827981264400).

140243313241000 is an abundant number, since it is smaller than the sum of its proper divisors (191412649287800).

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

140243313241000 is a wasteful number, since it uses less digits than its factorization.

140243313241000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451104 (or 451090 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 140243313241000 its reverse (142313342041), we get a palindrome (140385626583041).

The spelling of 140243313241000 in words is "one hundred forty trillion, two hundred forty-three billion, three hundred thirteen million, two hundred forty-one thousand".