109505539 has 8 divisors (see below), whose sum is σ = 128650032. Its totient is φ = 91892640.

The previous prime is 109505497. The next prime is 109505549. The reversal of 109505539 is 935505901.

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 109505539 - 2²³ = 101116931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109505498 and 109505507.

It is not an unprimeable number, because it can be changed into a prime (109505549) 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, 382744 + ... + 383029.

It is an arithmetic number, because the mean of its divisors is an integer number (16081254).

Almost surely, 2^109505539 is an apocalyptic number.

109505539 is a deficient number, since it is larger than the sum of its proper divisors (19144493).

109505539 is a wasteful number, since it uses less digits than its factorization.

109505539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765797.

The product of its (nonzero) digits is 30375, while the sum is 37.

The square root of 109505539 is about 10464.4894285388. The cubic root of 109505539 is about 478.4229769089.

The spelling of 109505539 in words is "one hundred nine million, five hundred five thousand, five hundred thirty-nine".