63941139 has 12 divisors (see below), whose sum is σ = 93312856. Its totient is φ = 42187392.

The previous prime is 63941117. The next prime is 63941153. The reversal of 63941139 is 93114936.

63941139 is a `hidden beast` number, since 639 + 4 + 1 + 13 + 9 = 666.

It is not a de Polignac number, because 63941139 - 2⁸ = 63940883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63941179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35749 + ... + 37494.

Almost surely, 2^63941139 is an apocalyptic number.

63941139 is a deficient number, since it is larger than the sum of its proper divisors (29371717).

63941139 is a wasteful number, since it uses less digits than its factorization.

63941139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73346 (or 73343 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 63941139 is about 7996.3203412570. The cubic root of 63941139 is about 399.8773353039.

The spelling of 63941139 in words is "sixty-three million, nine hundred forty-one thousand, one hundred thirty-nine".