2140144440541 has 4 divisors (see below), whose sum is σ = 2143790343072. Its totient is φ = 2136498538012.

The previous prime is 2140144440529. The next prime is 2140144440583. The reversal of 2140144440541 is 1450444410412.

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 2140144440541 - 2¹⁵ = 2140144407773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2140144440497 and 2140144440506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140144440041) 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, 1822950385 + ... + 1822951558.

It is an arithmetic number, because the mean of its divisors is an integer number (535947585768).

Almost surely, 2^{2140144440541} is an apocalyptic number.

It is an amenable number.

2140144440541 is a deficient number, since it is larger than the sum of its proper divisors (3645902531).

2140144440541 is an equidigital number, since it uses as much as digits as its factorization.

2140144440541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645902530.

The product of its (nonzero) digits is 40960, while the sum is 34.

Adding to 2140144440541 its reverse (1450444410412), we get a palindrome (3590588850953).

The spelling of 2140144440541 in words is "two trillion, one hundred forty billion, one hundred forty-four million, four hundred forty thousand, five hundred forty-one".