140263306352 has 80 divisors (see below), whose sum is σ = 305905420800. Its totient is φ = 61817623296.

The previous prime is 140263306333. The next prime is 140263306357. The reversal of 140263306352 is 253603362041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140263306357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2841143 + ... + 2890089.

It is an arithmetic number, because the mean of its divisors is an integer number (3823817760).

Almost surely, 2^140263306352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140263306352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152952710400).

140263306352 is an abundant number, since it is smaller than the sum of its proper divisors (165642114448).

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

140263306352 is a wasteful number, since it uses less digits than its factorization.

140263306352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49590 (or 49584 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 140263306352 its reverse (253603362041), we get a palindrome (393866668393).

The spelling of 140263306352 in words is "one hundred forty billion, two hundred sixty-three million, three hundred six thousand, three hundred fifty-two".