136875528 has 64 divisors (see below), whose sum is σ = 381600000. Its totient is φ = 45458496.

The previous prime is 136875527. The next prime is 136875533. The reversal of 136875528 is 825578631.

136875528 is a `hidden beast` number, since 13 + 6 + 87 + 552 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (136875527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67473 + ... + 69471.

It is an arithmetic number, because the mean of its divisors is an integer number (5962500).

Almost surely, 2^136875528 is an apocalyptic number.

136875528 is a gapful number since it is divisible by the number (18) 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 136875528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190800000).

136875528 is an abundant number, since it is smaller than the sum of its proper divisors (244724472).

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

136875528 is a wasteful number, since it uses less digits than its factorization.

136875528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331 (or 2321 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 136875528 is about 11699.3815221147. The cubic root of 136875528 is about 515.3575021099.

The spelling of 136875528 in words is "one hundred thirty-six million, eight hundred seventy-five thousand, five hundred twenty-eight".