63538134 has 32 divisors (see below), whose sum is σ = 139660416. Its totient is φ = 19110720.

The previous prime is 63538117. The next prime is 63538157. The reversal of 63538134 is 43183536.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 63538095 and 63538104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5529 + ... + 12555.

It is an arithmetic number, because the mean of its divisors is an integer number (4364388).

Almost surely, 2^63538134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63538134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69830208).

63538134 is an abundant number, since it is smaller than the sum of its proper divisors (76122282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63538134 is a wasteful number, since it uses less digits than its factorization.

63538134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7180.

The product of its digits is 25920, while the sum is 33.

The square root of 63538134 is about 7971.0811060985. The cubic root of 63538134 is about 399.0354551693.

The spelling of 63538134 in words is "sixty-three million, five hundred thirty-eight thousand, one hundred thirty-four".