144368931386 has 8 divisors (see below), whose sum is σ = 216555194100. Its totient is φ = 72183866688.

The previous prime is 144368931349. The next prime is 144368931389. The reversal of 144368931386 is 683139863441.

It can be written as a sum of positive squares in 2 ways, for example, as 144365802025 + 3129361 = 379955^2 + 1769^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (144368931389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118370 + ... + 550226.

Almost surely, 2^144368931386 is an apocalyptic number.

144368931386 is a deficient number, since it is larger than the sum of its proper divisors (72186262714).

144368931386 is a wasteful number, since it uses less digits than its factorization.

144368931386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599008.

The product of its digits is 8957952, while the sum is 56.

The spelling of 144368931386 in words is "one hundred forty-four billion, three hundred sixty-eight million, nine hundred thirty-one thousand, three hundred eighty-six".