140230001321 has 4 divisors (see below), whose sum is σ = 140275996500. Its totient is φ = 140184006144.

The previous prime is 140230001287. The next prime is 140230001347. The reversal of 140230001321 is 123100032041.

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 75732288025 + 64497713296 = 275195^2 + 253964^2 .

It is a cyclic number.

It is not a de Polignac number, because 140230001321 - 2³⁰ = 139156259497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140230001321.

It is not an unprimeable number, because it can be changed into a prime (140230001521) 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, 22993016 + ... + 22999113.

It is an arithmetic number, because the mean of its divisors is an integer number (35068999125).

Almost surely, 2^140230001321 is an apocalyptic number.

It is an amenable number.

140230001321 is a deficient number, since it is larger than the sum of its proper divisors (45995179).

140230001321 is an equidigital number, since it uses as much as digits as its factorization.

140230001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45995178.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 140230001321 its reverse (123100032041), we get a palindrome (263330033362).

The spelling of 140230001321 in words is "one hundred forty billion, two hundred thirty million, one thousand, three hundred twenty-one".