140144637267321 has 8 divisors (see below), whose sum is σ = 186862675191360. Its totient is φ = 93428178760752.

The previous prime is 140144637267319. The next prime is 140144637267343. The reversal of 140144637267321 is 123762736441041.

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

It is not a de Polignac number, because 140144637267321 - 2¹ = 140144637267319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140144637263321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394647310 + ... + 395002263.

It is an arithmetic number, because the mean of its divisors is an integer number (23357834398920).

Almost surely, 2^{140144637267321} is an apocalyptic number.

It is an amenable number.

140144637267321 is a deficient number, since it is larger than the sum of its proper divisors (46718037924039).

140144637267321 is an equidigital number, since it uses as much as digits as its factorization.

140144637267321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789708735.

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 140144637267321 in words is "one hundred forty trillion, one hundred forty-four billion, six hundred thirty-seven million, two hundred sixty-seven thousand, three hundred twenty-one".