140444221403 has 4 divisors (see below), whose sum is σ = 142540403880. Its totient is φ = 138348038928.

The previous prime is 140444221391. The next prime is 140444221409. The reversal of 140444221403 is 304122444041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140444221403 - 2¹⁶ = 140444155867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140444221409) 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, 1048091138 + ... + 1048091271.

It is an arithmetic number, because the mean of its divisors is an integer number (35635100970).

Almost surely, 2^140444221403 is an apocalyptic number.

140444221403 is a deficient number, since it is larger than the sum of its proper divisors (2096182477).

140444221403 is an equidigital number, since it uses as much as digits as its factorization.

140444221403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096182476.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 140444221403 its reverse (304122444041), we get a palindrome (444566665444).

The spelling of 140444221403 in words is "one hundred forty billion, four hundred forty-four million, two hundred twenty-one thousand, four hundred three".