144134212130921 has 2 divisors, whose sum is σ = 144134212130922. Its totient is φ = 144134212130920.

The previous prime is 144134212130899. The next prime is 144134212130939. The reversal of 144134212130921 is 129031212431441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141800464000000 + 2333748130921 = 11908000^2 + 1527661^2 .

It is an emirp because it is prime and its reverse (129031212431441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144134212130921 - 2²⁶ = 144134145022057 is a prime.

It is a super-2 number, since 2×144134212130921² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (144134212130981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72067106065460 + 72067106065461.

It is an arithmetic number, because the mean of its divisors is an integer number (72067106065461).

Almost surely, 2^{144134212130921} is an apocalyptic number.

It is an amenable number.

144134212130921 is a deficient number, since it is larger than the sum of its proper divisors (1).

144134212130921 is an equidigital number, since it uses as much as digits as its factorization.

144134212130921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 144134212130921 in words is "one hundred forty-four trillion, one hundred thirty-four billion, two hundred twelve million, one hundred thirty thousand, nine hundred twenty-one".