140104321 has 16 divisors (see below), whose sum is σ = 164261376. Its totient is φ = 117006336.

The previous prime is 140104319. The next prime is 140104331. The reversal of 140104321 is 123401041.

It is a cyclic number.

It is not a de Polignac number, because 140104321 - 2¹ = 140104319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140104295 and 140104304.

It is not an unprimeable number, because it can be changed into a prime (140104331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83725 + ... + 85381.

It is an arithmetic number, because the mean of its divisors is an integer number (10266336).

Almost surely, 2^140104321 is an apocalyptic number.

It is an amenable number.

140104321 is a deficient number, since it is larger than the sum of its proper divisors (24157055).

140104321 is a wasteful number, since it uses less digits than its factorization.

140104321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140104321 is about 11836.5671121318. The cubic root of 140104321 is about 519.3783510630.

Adding to 140104321 its reverse (123401041), we get a palindrome (263505362).

The spelling of 140104321 in words is "one hundred forty million, one hundred four thousand, three hundred twenty-one".