63138752 has 14 divisors (see below), whose sum is σ = 125291088. Its totient is φ = 31569344.

The previous prime is 63138739. The next prime is 63138763. The reversal of 63138752 is 25783136.

63138752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493208 + ... + 493335.

Almost surely, 2^63138752 is an apocalyptic number.

It is an amenable number.

63138752 is a deficient number, since it is larger than the sum of its proper divisors (62152336).

63138752 is an equidigital number, since it uses as much as digits as its factorization.

63138752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986555 (or 986545 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 63138752 is about 7945.9896803356. The cubic root of 63138752 is about 398.1976241346.

The spelling of 63138752 in words is "sixty-three million, one hundred thirty-eight thousand, seven hundred fifty-two".