1444002121131 has 16 divisors (see below), whose sum is σ = 2044640486304. Its totient is φ = 903351988224.

The previous prime is 1444002121127. The next prime is 1444002121193. The reversal of 1444002121131 is 1311212004441.

It is a happy number.

It is not a de Polignac number, because 1444002121131 - 2² = 1444002121127 is a prime.

It is a super-2 number, since 2×1444002121131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1444002121031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41991370 + ... + 42025743.

It is an arithmetic number, because the mean of its divisors is an integer number (127790030394).

Almost surely, 2^{1444002121131} is an apocalyptic number.

1444002121131 is a deficient number, since it is larger than the sum of its proper divisors (600638365173).

1444002121131 is a wasteful number, since it uses less digits than its factorization.

1444002121131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84017470.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1444002121131 its reverse (1311212004441), we get a palindrome (2755214125572).

The spelling of 1444002121131 in words is "one trillion, four hundred forty-four billion, two million, one hundred twenty-one thousand, one hundred thirty-one".