528219138 has 64 divisors (see below), whose sum is σ = 1159183872. Its totient is φ = 159801600.

The previous prime is 528219103. The next prime is 528219143. The reversal of 528219138 is 831912825.

It is a junction number, because it is equal to n+sod(n) for n = 528219096 and 528219105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363313 + ... + 364763.

It is an arithmetic number, because the mean of its divisors is an integer number (18112248).

Almost surely, 2^528219138 is an apocalyptic number.

528219138 is an abundant number, since it is smaller than the sum of its proper divisors (630964734).

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

528219138 is a wasteful number, since it uses less digits than its factorization.

528219138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599.

The product of its digits is 34560, while the sum is 39.

The square root of 528219138 is about 22983.0184701662. The cubic root of 528219138 is about 808.3598054839.

The spelling of 528219138 in words is "five hundred twenty-eight million, two hundred nineteen thousand, one hundred thirty-eight".