109415 has 8 divisors (see below), whose sum is σ = 133440. Its totient is φ = 86112.

The previous prime is 109397. The next prime is 109423. The reversal of 109415 is 514901.

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 109415 - 2⁸ = 109159 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 257 + ... + 533.

It is an arithmetic number, because the mean of its divisors is an integer number (16680).

2¹⁰⁹⁴¹⁵ is an apocalyptic number.

109415 is a deficient number, since it is larger than the sum of its proper divisors (24025).

109415 is an equidigital number, since it uses as much as digits as its factorization.

109415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 109415 is about 330.7793826707. The cubic root of 109415 is about 47.8291087443.

The spelling of 109415 in words is "one hundred nine thousand, four hundred fifteen".