140200321 has 4 divisors (see below), whose sum is σ = 144722944. Its totient is φ = 135677700.

The previous prime is 140200283. The next prime is 140200327. The reversal of 140200321 is 123002041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140200321 - 2⁹ = 140199809 is a prime.

It is a super-2 number, since 2×140200321² = 39312260017006082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140200327) 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 3 ways as a sum of consecutive naturals, for example, 2261265 + ... + 2261326.

It is an arithmetic number, because the mean of its divisors is an integer number (36180736).

Almost surely, 2^140200321 is an apocalyptic number.

It is an amenable number.

140200321 is a deficient number, since it is larger than the sum of its proper divisors (4522623).

140200321 is an equidigital number, since it uses as much as digits as its factorization.

140200321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522622.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 140200321 is about 11840.6216475319. The cubic root of 140200321 is about 519.4969506358.

Adding to 140200321 its reverse (123002041), we get a palindrome (263202362).

The spelling of 140200321 in words is "one hundred forty million, two hundred thousand, three hundred twenty-one".