140343201 has 12 divisors (see below), whose sum is σ = 202840612. Its totient is φ = 93505536.

The previous prime is 140343193. The next prime is 140343221. The reversal of 140343201 is 102343041.

It can be written as a sum of positive squares in 2 ways, for example, as 23184225 + 117158976 = 4815^2 + 10824^2 .

It is not a de Polignac number, because 140343201 - 2³ = 140343193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140343221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15585 + ... + 22881.

Almost surely, 2^140343201 is an apocalyptic number.

It is an amenable number.

140343201 is a deficient number, since it is larger than the sum of its proper divisors (62497411).

140343201 is a wasteful number, since it uses less digits than its factorization.

140343201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9440 (or 9437 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140343201 is about 11846.6535781207. The cubic root of 140343201 is about 519.6733661229.

Adding to 140343201 its reverse (102343041), we get a palindrome (242686242).

The spelling of 140343201 in words is "one hundred forty million, three hundred forty-three thousand, two hundred one".