63141439 has 6 divisors (see below), whose sum is σ = 65394680. Its totient is φ = 60963336.

The previous prime is 63141437. The next prime is 63141443. The reversal of 63141439 is 93414136.

It is not a de Polignac number, because 63141439 - 2¹ = 63141437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63141439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63141431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36699 + ... + 38380.

Almost surely, 2^63141439 is an apocalyptic number.

63141439 is a deficient number, since it is larger than the sum of its proper divisors (2253241).

63141439 is an equidigital number, since it uses as much as digits as its factorization.

63141439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75137 (or 75108 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 63141439 is about 7946.1587575381. The cubic root of 63141439 is about 398.2032727619.

The spelling of 63141439 in words is "sixty-three million, one hundred forty-one thousand, four hundred thirty-nine".