140233052321 has 4 divisors (see below), whose sum is σ = 140235629700. Its totient is φ = 140230474944.

The previous prime is 140233052279. The next prime is 140233052327. The reversal of 140233052321 is 123250332041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103532071696 + 36700980625 = 321764^2 + 191575^2 .

It is a cyclic number.

It is not a de Polignac number, because 140233052321 - 2¹⁸ = 140232790177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140233052327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205276 + ... + 1316493.

It is an arithmetic number, because the mean of its divisors is an integer number (35058907425).

Almost surely, 2^140233052321 is an apocalyptic number.

It is an amenable number.

140233052321 is a deficient number, since it is larger than the sum of its proper divisors (2577379).

140233052321 is an equidigital number, since it uses as much as digits as its factorization.

140233052321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577378.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 140233052321 its reverse (123250332041), we get a palindrome (263483384362).

The spelling of 140233052321 in words is "one hundred forty billion, two hundred thirty-three million, fifty-two thousand, three hundred twenty-one".