140204353 has 2 divisors, whose sum is σ = 140204354. Its totient is φ = 140204352.

The previous prime is 140204341. The next prime is 140204371. The reversal of 140204353 is 353402041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133818624 + 6385729 = 11568^2 + 2527^2 .

It is a cyclic number.

It is not a de Polignac number, because 140204353 - 2¹⁷ = 140073281 is a prime.

It is not a weakly prime, because it can be changed into another prime (140204153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70102176 + 70102177.

It is an arithmetic number, because the mean of its divisors is an integer number (70102177).

Almost surely, 2^140204353 is an apocalyptic number.

It is an amenable number.

140204353 is a deficient number, since it is larger than the sum of its proper divisors (1).

140204353 is an equidigital number, since it uses as much as digits as its factorization.

140204353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 140204353 is about 11840.7919076386. The cubic root of 140204353 is about 519.5019306331.

Adding to 140204353 its reverse (353402041), we get a palindrome (493606394).

The spelling of 140204353 in words is "one hundred forty million, two hundred four thousand, three hundred fifty-three".