140441235245521 has 8 divisors (see below), whose sum is σ = 160504363310720. Its totient is φ = 120378130795008.

The previous prime is 140441235245483. The next prime is 140441235245539. The reversal of 140441235245521 is 125542532144041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140441235245521 - 2⁷ = 140441235245393 is a prime.

It is a super-2 number, since 2×140441235245521² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140441235249521) 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, 9530260 + ... + 19279738.

It is an arithmetic number, because the mean of its divisors is an integer number (20063045413840).

Almost surely, 2^{140441235245521} is an apocalyptic number.

It is an amenable number.

140441235245521 is a deficient number, since it is larger than the sum of its proper divisors (20063128065199).

140441235245521 is an equidigital number, since it uses as much as digits as its factorization.

140441235245521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11807343.

The product of its (nonzero) digits is 768000, while the sum is 43.

Adding to 140441235245521 its reverse (125542532144041), we get a palindrome (265983767389562).

The spelling of 140441235245521 in words is "one hundred forty trillion, four hundred forty-one billion, two hundred thirty-five million, two hundred forty-five thousand, five hundred twenty-one".