63140205 has 16 divisors (see below), whose sum is σ = 103489344. Its totient is φ = 32853120.

The previous prime is 63140201. The next prime is 63140237. The reversal of 63140205 is 50204136.

It is a happy number.

It is not a de Polignac number, because 63140205 - 2² = 63140201 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63140201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50719 + ... + 51948.

It is an arithmetic number, because the mean of its divisors is an integer number (6468084).

Almost surely, 2^63140205 is an apocalyptic number.

It is an amenable number.

63140205 is a deficient number, since it is larger than the sum of its proper divisors (40349139).

63140205 is a wasteful number, since it uses less digits than its factorization.

63140205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102716.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 63140205 is about 7946.0811095785. The cubic root of 63140205 is about 398.2006786597.

The spelling of 63140205 in words is "sixty-three million, one hundred forty thousand, two hundred five".