63481139 has 8 divisors (see below), whose sum is σ = 64631952. Its totient is φ = 62339680.

The previous prime is 63481133. The next prime is 63481141. The reversal of 63481139 is 93118436.

63481139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63481139 - 2¹⁶ = 63415603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63481099 and 63481108.

It is not an unprimeable number, because it can be changed into a prime (63481133) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 12149 + ... + 16569.

It is an arithmetic number, because the mean of its divisors is an integer number (8078994).

Almost surely, 2^63481139 is an apocalyptic number.

63481139 is a deficient number, since it is larger than the sum of its proper divisors (1150813).

63481139 is a wasteful number, since it uses less digits than its factorization.

63481139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4677.

The product of its digits is 15552, while the sum is 35.

The square root of 63481139 is about 7967.5051929698. The cubic root of 63481139 is about 398.9161051662.

The spelling of 63481139 in words is "sixty-three million, four hundred eighty-one thousand, one hundred thirty-nine".