63532138 has 8 divisors (see below), whose sum is σ = 95350788. Its totient is φ = 31748544.

The previous prime is 63532129. The next prime is 63532159. The reversal of 63532138 is 83123536.

It can be written as a sum of positive squares in 2 ways, for example, as 63473089 + 59049 = 7967^2 + 243^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3631 + ... + 11842.

Almost surely, 2^63532138 is an apocalyptic number.

63532138 is a deficient number, since it is larger than the sum of its proper divisors (31818650).

63532138 is a wasteful number, since it uses less digits than its factorization.

63532138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17528.

The product of its digits is 12960, while the sum is 31.

The square root of 63532138 is about 7970.7049876407. The cubic root of 63532138 is about 399.0229026453.

The spelling of 63532138 in words is "sixty-three million, five hundred thirty-two thousand, one hundred thirty-eight".