140320522441 has 4 divisors (see below), whose sum is σ = 153076933584. Its totient is φ = 127564111300.

The previous prime is 140320522367. The next prime is 140320522451. The reversal of 140320522441 is 144225023041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140320522441 - 2¹⁷ = 140320391369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140320522451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6378205555 + ... + 6378205576.

It is an arithmetic number, because the mean of its divisors is an integer number (38269233396).

Almost surely, 2^140320522441 is an apocalyptic number.

140320522441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140320522441 is a deficient number, since it is larger than the sum of its proper divisors (12756411143).

140320522441 is a wasteful number, since it uses less digits than its factorization.

140320522441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12756411142.

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

Adding to 140320522441 its reverse (144225023041), we get a palindrome (284545545482).

The spelling of 140320522441 in words is "one hundred forty billion, three hundred twenty million, five hundred twenty-two thousand, four hundred forty-one".