140244244133441 has 4 divisors (see below), whose sum is σ = 160279136152512. Its totient is φ = 120209352114372.

The previous prime is 140244244133393. The next prime is 140244244133449. The reversal of 140244244133441 is 144331442442041.

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 140244244133441 - 2²⁶ = 140244177024577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140244244133449) 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, 10017446009525 + ... + 10017446009538.

It is an arithmetic number, because the mean of its divisors is an integer number (40069784038128).

Almost surely, 2^{140244244133441} is an apocalyptic number.

It is an amenable number.

140244244133441 is a deficient number, since it is larger than the sum of its proper divisors (20034892019071).

140244244133441 is an equidigital number, since it uses as much as digits as its factorization.

140244244133441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20034892019070.

The product of its (nonzero) digits is 589824, while the sum is 41.

Adding to 140244244133441 its reverse (144331442442041), we get a palindrome (284575686575482).

The spelling of 140244244133441 in words is "one hundred forty trillion, two hundred forty-four billion, two hundred forty-four million, one hundred thirty-three thousand, four hundred forty-one".