140521004344 has 64 divisors (see below), whose sum is σ = 329114050560. Its totient is φ = 54852318720.

The previous prime is 140521004339. The next prime is 140521004347. The reversal of 140521004344 is 443400125041.

140521004344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140521004347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2351232 + ... + 2410255.

It is an arithmetic number, because the mean of its divisors is an integer number (5142407040).

Almost surely, 2^140521004344 is an apocalyptic number.

140521004344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140521004344 is an abundant number, since it is smaller than the sum of its proper divisors (188593046216).

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

140521004344 is a wasteful number, since it uses less digits than its factorization.

140521004344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761548 (or 4761544 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 140521004344 its reverse (443400125041), we get a palindrome (583921129385).

The spelling of 140521004344 in words is "one hundred forty billion, five hundred twenty-one million, four thousand, three hundred forty-four".