538588138 has 16 divisors (see below), whose sum is σ = 889566624. Its totient is φ = 242523760.

The previous prime is 538588123. The next prime is 538588147. The reversal of 538588138 is 831885835.

It is a junction number, because it is equal to n+sod(n) for n = 538588091 and 538588100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112045 + ... + 116752.

It is an arithmetic number, because the mean of its divisors is an integer number (55597914).

Almost surely, 2^538588138 is an apocalyptic number.

538588138 is a deficient number, since it is larger than the sum of its proper divisors (350978486).

538588138 is a wasteful number, since it uses less digits than its factorization.

538588138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228917.

The product of its digits is 921600, while the sum is 49.

The square root of 538588138 is about 23207.5017612840. The cubic root of 538588138 is about 813.6149649891.

The spelling of 538588138 in words is "five hundred thirty-eight million, five hundred eighty-eight thousand, one hundred thirty-eight".