109378 has 8 divisors (see below), whose sum is σ = 173772. Its totient is φ = 51456.

The previous prime is 109367. The next prime is 109379. The reversal of 109378 is 873901.

It can be written as a sum of positive squares in 2 ways, for example, as 94249 + 15129 = 307^2 + 123^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1575 + ... + 1642.

2¹⁰⁹³⁷⁸ is an apocalyptic number.

109378 is a deficient number, since it is larger than the sum of its proper divisors (64394).

109378 is a wasteful number, since it uses less digits than its factorization.

109378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 109378 is about 330.7234494256. The cubic root of 109378 is about 47.8237168067.

The spelling of 109378 in words is "one hundred nine thousand, three hundred seventy-eight".