140110321 has 4 divisors (see below), whose sum is σ = 150888052. Its totient is φ = 129332592.

The previous prime is 140110307. The next prime is 140110361. The reversal of 140110321 is 123011041.

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 65028096 + 75082225 = 8064^2 + 8665^2 .

It is a cyclic number.

It is not a de Polignac number, because 140110321 - 2¹⁷ = 139979249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 10777717 = 140110321 / (1 + 4 + 0 + 1 + 1 + 0 + 3 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140110301) 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, 5388846 + ... + 5388871.

It is an arithmetic number, because the mean of its divisors is an integer number (37722013).

Almost surely, 2^140110321 is an apocalyptic number.

It is an amenable number.

140110321 is a deficient number, since it is larger than the sum of its proper divisors (10777731).

140110321 is a wasteful number, since it uses less digits than its factorization.

140110321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10777730.

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

The square root of 140110321 is about 11836.8205612825. The cubic root of 140110321 is about 519.3857651232.

Adding to 140110321 its reverse (123011041), we get a palindrome (263121362).

The spelling of 140110321 in words is "one hundred forty million, one hundred ten thousand, three hundred twenty-one".