528713136 has 120 divisors (see below), whose sum is σ = 1765445040. Its totient is φ = 151054848.

The previous prime is 528713099. The next prime is 528713137. The reversal of 528713136 is 631317825.

528713136 is a `hidden beast` number, since 528 + 71 + 31 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 528713136.

It is not an unprimeable number, because it can be changed into a prime (528713137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8680 + ... + 33656.

It is an arithmetic number, because the mean of its divisors is an integer number (14712042).

Almost surely, 2^528713136 is an apocalyptic number.

528713136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528713136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (882722520).

528713136 is an abundant number, since it is smaller than the sum of its proper divisors (1236731904).

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

528713136 is a wasteful number, since it uses less digits than its factorization.

528713136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25008 (or 24989 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 528713136 is about 22993.7629804258. The cubic root of 528713136 is about 808.6117234711.

The spelling of 528713136 in words is "five hundred twenty-eight million, seven hundred thirteen thousand, one hundred thirty-six".