63138948 has 24 divisors (see below), whose sum is σ = 147621600. Its totient is φ = 21003840.

The previous prime is 63138947. The next prime is 63138961. The reversal of 63138948 is 84983136.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (63138947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203 + ... + 11301.

It is an arithmetic number, because the mean of its divisors is an integer number (6150900).

Almost surely, 2^63138948 is an apocalyptic number.

It is an amenable number.

63138948 is an abundant number, since it is smaller than the sum of its proper divisors (84482652).

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

63138948 is a wasteful number, since it uses less digits than its factorization.

63138948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10627 (or 10625 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 63138948 is about 7946.0020135915. The cubic root of 63138948 is about 398.1980361724.

The spelling of 63138948 in words is "sixty-three million, one hundred thirty-eight thousand, nine hundred forty-eight".