136528085 has 8 divisors (see below), whose sum is σ = 169483320. Its totient is φ = 105456064.

The previous prime is 136528079. The next prime is 136528087. The reversal of 136528085 is 580825631.

It can be written as a sum of positive squares in 4 ways, for example, as 42941809 + 93586276 = 6553^2 + 9674^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136528085 - 2²² = 132333781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136528087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470642 + ... + 470931.

It is an arithmetic number, because the mean of its divisors is an integer number (21185415).

Almost surely, 2^136528085 is an apocalyptic number.

It is an amenable number.

136528085 is a deficient number, since it is larger than the sum of its proper divisors (32955235).

136528085 is an equidigital number, since it uses as much as digits as its factorization.

136528085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941607.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 136528085 is about 11684.5233107731. The cubic root of 136528085 is about 514.9210737753.

The spelling of 136528085 in words is "one hundred thirty-six million, five hundred twenty-eight thousand, eighty-five".