63138502 has 16 divisors (see below), whose sum is σ = 111163680. Its totient is φ = 26327808.

The previous prime is 63138499. The next prime is 63138533. The reversal of 63138502 is 20583136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60427 + ... + 61462.

It is an arithmetic number, because the mean of its divisors is an integer number (6947730).

Almost surely, 2^63138502 is an apocalyptic number.

63138502 is a deficient number, since it is larger than the sum of its proper divisors (48025178).

63138502 is a wasteful number, since it uses less digits than its factorization.

63138502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121935.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 63138502 is about 7945.9739491141. The cubic root of 63138502 is about 398.1970985750.

The spelling of 63138502 in words is "sixty-three million, one hundred thirty-eight thousand, five hundred two".