109439294 has 4 divisors (see below), whose sum is σ = 164158944. Its totient is φ = 54719646.

The previous prime is 109439273. The next prime is 109439311. The reversal of 109439294 is 492934901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 492934901 = 191 ⋅2580811.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27359822 + ... + 27359825.

It is an arithmetic number, because the mean of its divisors is an integer number (41039736).

Almost surely, 2^109439294 is an apocalyptic number.

109439294 is a deficient number, since it is larger than the sum of its proper divisors (54719650).

109439294 is an equidigital number, since it uses as much as digits as its factorization.

109439294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54719649.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 109439294 is about 10461.3237212123. The cubic root of 109439294 is about 478.3264840026.

The spelling of 109439294 in words is "one hundred nine million, four hundred thirty-nine thousand, two hundred ninety-four".