1144132140421 has 4 divisors (see below), whose sum is σ = 1211434031052. Its totient is φ = 1076830249792.

The previous prime is 1144132140409. The next prime is 1144132140427. The reversal of 1144132140421 is 1240412314411.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1017100488196 + 127031652225 = 1008514^2 + 356415^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144132140421 - 2²⁵ = 1144098585989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144132140421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144132140427) 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, 33650945290 + ... + 33650945323.

It is an arithmetic number, because the mean of its divisors is an integer number (302858507763).

Almost surely, 2^{1144132140421} is an apocalyptic number.

It is an amenable number.

1144132140421 is a deficient number, since it is larger than the sum of its proper divisors (67301890631).

1144132140421 is an equidigital number, since it uses as much as digits as its factorization.

1144132140421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67301890630.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 1144132140421 its reverse (1240412314411), we get a palindrome (2384544454832).

The spelling of 1144132140421 in words is "one trillion, one hundred forty-four billion, one hundred thirty-two million, one hundred forty thousand, four hundred twenty-one".