144736679389 has 16 divisors (see below), whose sum is σ = 156180918960. Its totient is φ = 133630018560.

The previous prime is 144736679387. The next prime is 144736679471. The reversal of 144736679389 is 983976637441.

It can be written as a sum of positive squares in 8 ways, for example, as 97180164 + 144639499225 = 9858^2 + 380315^2 .

It is a cyclic number.

It is not a de Polignac number, because 144736679389 - 2¹ = 144736679387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144736679387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199707 + ... + 573895.

It is an arithmetic number, because the mean of its divisors is an integer number (9761307435).

Almost surely, 2^144736679389 is an apocalyptic number.

It is an amenable number.

144736679389 is a deficient number, since it is larger than the sum of its proper divisors (11444239571).

144736679389 is a wasteful number, since it uses less digits than its factorization.

144736679389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374640.

The product of its digits is 164602368, while the sum is 67.

The spelling of 144736679389 in words is "one hundred forty-four billion, seven hundred thirty-six million, six hundred seventy-nine thousand, three hundred eighty-nine".