140040205 has 8 divisors (see below), whose sum is σ = 168358752. Its totient is φ = 111825168.

The previous prime is 140040181. The next prime is 140040211. The reversal of 140040205 is 502040041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140040205 - 2²⁷ = 5822477 is a prime.

It is a super-2 number, since 2×140040205² = 39222518032884050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22867 + ... + 28336.

It is an arithmetic number, because the mean of its divisors is an integer number (21044844).

Almost surely, 2^140040205 is an apocalyptic number.

It is an amenable number.

140040205 is a deficient number, since it is larger than the sum of its proper divisors (28318547).

140040205 is an equidigital number, since it uses as much as digits as its factorization.

140040205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51755.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 140040205 is about 11833.8584155803. The cubic root of 140040205 is about 519.2991111957.

Adding to 140040205 its reverse (502040041), we get a palindrome (642080246).

The spelling of 140040205 in words is "one hundred forty million, forty thousand, two hundred five".