109538539 has 8 divisors (see below), whose sum is σ = 123617520. Its totient is φ = 96146400.

The previous prime is 109538509. The next prime is 109538551. The reversal of 109538539 is 935835901.

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

It is a cyclic number.

It is not a de Polignac number, because 109538539 - 2⁷ = 109538411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109538495 and 109538504.

It is not an unprimeable number, because it can be changed into a prime (109538509) 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, 171372 + ... + 172009.

It is an arithmetic number, because the mean of its divisors is an integer number (15452190).

Almost surely, 2^109538539 is an apocalyptic number.

109538539 is a deficient number, since it is larger than the sum of its proper divisors (14078981).

109538539 is a wasteful number, since it uses less digits than its factorization.

109538539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343421.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 109538539 is about 10466.0660708788. The cubic root of 109538539 is about 478.4710304068.

The spelling of 109538539 in words is "one hundred nine million, five hundred thirty-eight thousand, five hundred thirty-nine".