63355138 has 24 divisors (see below), whose sum is σ = 120600144. Its totient is φ = 24683400.

The previous prime is 63355129. The next prime is 63355147. The reversal of 63355138 is 83155336.

It is an interprime number because it is at equal distance from previous prime (63355129) and next prime (63355147).

It is a super-4 number, since 4×63355138⁴ (a number of 32 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28308 + ... + 30463.

It is an arithmetic number, because the mean of its divisors is an integer number (5025006).

Almost surely, 2^63355138 is an apocalyptic number.

63355138 is a deficient number, since it is larger than the sum of its proper divisors (57245006).

63355138 is a wasteful number, since it uses less digits than its factorization.

63355138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58798 (or 58791 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 63355138 is about 7959.5940851277. The cubic root of 63355138 is about 398.6519998420.

The spelling of 63355138 in words is "sixty-three million, three hundred fifty-five thousand, one hundred thirty-eight".