109439342 has 4 divisors (see below), whose sum is σ = 164159016. Its totient is φ = 54719670.

The previous prime is 109439339. The next prime is 109439357. The reversal of 109439342 is 243934901.

It is a semiprime because it is the product of two primes.

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, 27359834 + ... + 27359837.

It is an arithmetic number, because the mean of its divisors is an integer number (41039754).

Almost surely, 2^109439342 is an apocalyptic number.

109439342 is a deficient number, since it is larger than the sum of its proper divisors (54719674).

109439342 is an equidigital number, since it uses as much as digits as its factorization.

109439342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54719673.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 109439342 is about 10461.3260153768. The cubic root of 109439342 is about 478.3265539338.

The spelling of 109439342 in words is "one hundred nine million, four hundred thirty-nine thousand, three hundred forty-two".