140053321 has 2 divisors, whose sum is σ = 140053322. Its totient is φ = 140053320.

The previous prime is 140053307. The next prime is 140053343. The reversal of 140053321 is 123350041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127351225 + 12702096 = 11285^2 + 3564^2 .

It is a cyclic number.

It is not a de Polignac number, because 140053321 - 2⁵ = 140053289 is a prime.

It is a super-2 number, since 2×140053321² = 39229865446258082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140053391) 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 as a sum of consecutive naturals, namely, 70026660 + 70026661.

It is an arithmetic number, because the mean of its divisors is an integer number (70026661).

Almost surely, 2^140053321 is an apocalyptic number.

It is an amenable number.

140053321 is a deficient number, since it is larger than the sum of its proper divisors (1).

140053321 is an equidigital number, since it uses as much as digits as its factorization.

140053321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 140053321 is about 11834.4125751978. The cubic root of 140053321 is about 519.3153230031.

The spelling of 140053321 in words is "one hundred forty million, fifty-three thousand, three hundred twenty-one".