63387136 has 20 divisors (see below), whose sum is σ = 126651492. Its totient is φ = 31693312.

The previous prime is 63387119. The next prime is 63387187. The reversal of 63387136 is 63178336.

It is a junction number, because it is equal to n+sod(n) for n = 63387095 and 63387104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61390 + ... + 62413.

Almost surely, 2^63387136 is an apocalyptic number.

It is an amenable number.

63387136 is a deficient number, since it is larger than the sum of its proper divisors (63264356).

63387136 is an equidigital number, since it uses as much as digits as its factorization.

63387136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123821 (or 123805 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

The square root of 63387136 is about 7961.6038585200. The cubic root of 63387136 is about 398.7191026331.

The spelling of 63387136 in words is "sixty-three million, three hundred eighty-seven thousand, one hundred thirty-six".