140301001321 has 4 divisors (see below), whose sum is σ = 151093386052. Its totient is φ = 129508616592.

The previous prime is 140301001283. The next prime is 140301001339. The reversal of 140301001321 is 123100103041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123100103041 = 171467 ⋅717923.

It can be written as a sum of positive squares in 2 ways, for example, as 21137961321 + 119163040000 = 145389^2 + 345200^2 .

It is a cyclic number.

It is not a de Polignac number, because 140301001321 - 2¹⁷ = 140300870249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140301001295 and 140301001304.

It is not an unprimeable number, because it can be changed into a prime (140301001381) 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, 5396192346 + ... + 5396192371.

It is an arithmetic number, because the mean of its divisors is an integer number (37773346513).

Almost surely, 2^140301001321 is an apocalyptic number.

It is an amenable number.

140301001321 is a deficient number, since it is larger than the sum of its proper divisors (10792384731).

140301001321 is a wasteful number, since it uses less digits than its factorization.

140301001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10792384730.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 140301001321 its reverse (123100103041), we get a palindrome (263401104362).

The spelling of 140301001321 in words is "one hundred forty billion, three hundred one million, one thousand, three hundred twenty-one".