140001010321 has 4 divisors (see below), whose sum is σ = 140001931044. Its totient is φ = 140000089600.

The previous prime is 140001010297. The next prime is 140001010339. The reversal of 140001010321 is 123010100041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 74577601921 + 65423408400 = 273089^2 + 255780^2 .

It is a cyclic number.

It is not a de Polignac number, because 140001010321 - 2¹⁹ = 140000486033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140001010361) 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, 172120 + ... + 556441.

It is an arithmetic number, because the mean of its divisors is an integer number (35000482761).

Almost surely, 2^140001010321 is an apocalyptic number.

It is an amenable number.

140001010321 is a deficient number, since it is larger than the sum of its proper divisors (920723).

140001010321 is an equidigital number, since it uses as much as digits as its factorization.

140001010321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920722.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 140001010321 its reverse (123010100041), we get a palindrome (263011110362).

The spelling of 140001010321 in words is "one hundred forty billion, one million, ten thousand, three hundred twenty-one".