109528135 has 4 divisors (see below), whose sum is σ = 131433768. Its totient is φ = 87622504.

The previous prime is 109528129. The next prime is 109528151. The reversal of 109528135 is 531825901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531825901 = 37 ⋅14373673.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109528135 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109528135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10952809 + ... + 10952818.

It is an arithmetic number, because the mean of its divisors is an integer number (32858442).

Almost surely, 2^109528135 is an apocalyptic number.

109528135 is a deficient number, since it is larger than the sum of its proper divisors (21905633).

109528135 is an equidigital number, since it uses as much as digits as its factorization.

109528135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21905632.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 109528135 is about 10465.5690241859. The cubic root of 109528135 is about 478.4558814913.

The spelling of 109528135 in words is "one hundred nine million, five hundred twenty-eight thousand, one hundred thirty-five".