144137781371 has 4 divisors (see below), whose sum is σ = 144140427600. Its totient is φ = 144135135144.

The previous prime is 144137781343. The next prime is 144137781401. The reversal of 144137781371 is 173187731441.

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 144137781371 - 2¹⁴ = 144137764987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144137781971) 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, 1239656 + ... + 1350933.

It is an arithmetic number, because the mean of its divisors is an integer number (36035106900).

Almost surely, 2^144137781371 is an apocalyptic number.

144137781371 is a deficient number, since it is larger than the sum of its proper divisors (2646229).

144137781371 is an equidigital number, since it uses as much as digits as its factorization.

144137781371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646228.

The product of its digits is 395136, while the sum is 47.

The spelling of 144137781371 in words is "one hundred forty-four billion, one hundred thirty-seven million, seven hundred eighty-one thousand, three hundred seventy-one".