140041205 has 8 divisors (see below), whose sum is σ = 168303192. Its totient is φ = 111863808.

The previous prime is 140041171. The next prime is 140041207. The reversal of 140041205 is 502140041.

It can be written as a sum of positive squares in 4 ways, for example, as 47458321 + 92582884 = 6889^2 + 9622^2 .

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 140041205 - 2⁸ = 140040949 is a prime.

It is a super-2 number, since 2×140041205² = 39223078195704050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140041207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17444 + ... + 24173.

It is an arithmetic number, because the mean of its divisors is an integer number (21037899).

Almost surely, 2^140041205 is an apocalyptic number.

It is an amenable number.

140041205 is a deficient number, since it is larger than the sum of its proper divisors (28261987).

140041205 is an equidigital number, since it uses as much as digits as its factorization.

140041205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42295.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 140041205 is about 11833.9006671511. The cubic root of 140041205 is about 519.3003472642.

Adding to 140041205 its reverse (502140041), we get a palindrome (642181246).

The spelling of 140041205 in words is "one hundred forty million, forty-one thousand, two hundred five".