109538 has 16 divisors (see below), whose sum is σ = 193536. Its totient is φ = 45840.

The previous prime is 109537. The next prime is 109541. The reversal of 109538 is 835901.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (109537) 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, 95 + ... + 477.

It is an arithmetic number, because the mean of its divisors is an integer number (12096).

2¹⁰⁹⁵³⁸ is an apocalyptic number.

109538 is a deficient number, since it is larger than the sum of its proper divisors (83998).

109538 is a wasteful number, since it uses less digits than its factorization.

109538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 109538 is about 330.9652549740. The cubic root of 109538 is about 47.8470245611.

The spelling of 109538 in words is "one hundred nine thousand, five hundred thirty-eight".