136528835 has 4 divisors (see below), whose sum is σ = 163834608. Its totient is φ = 109223064.

The previous prime is 136528829. The next prime is 136528859. The reversal of 136528835 is 538825631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 538825631 = 241 ⋅2235791.

It is a cyclic number.

It is not a de Polignac number, because 136528835 - 2¹⁴ = 136512451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136528792 and 136528801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13652879 + ... + 13652888.

It is an arithmetic number, because the mean of its divisors is an integer number (40958652).

Almost surely, 2^136528835 is an apocalyptic number.

136528835 is a deficient number, since it is larger than the sum of its proper divisors (27305773).

136528835 is an equidigital number, since it uses as much as digits as its factorization.

136528835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27305772.

The product of its digits is 172800, while the sum is 41.

The square root of 136528835 is about 11684.5554044645. Note that the first 3 decimals coincide. The cubic root of 136528835 is about 514.9220166584.

The spelling of 136528835 in words is "one hundred thirty-six million, five hundred twenty-eight thousand, eight hundred thirty-five".