109040342 has 4 divisors (see below), whose sum is σ = 163560516. Its totient is φ = 54520170.

The previous prime is 109040311. The next prime is 109040359. The reversal of 109040342 is 243040901.

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, 27260084 + ... + 27260087.

It is an arithmetic number, because the mean of its divisors is an integer number (40890129).

Almost surely, 2^109040342 is an apocalyptic number.

109040342 is a deficient number, since it is larger than the sum of its proper divisors (54520174).

109040342 is an equidigital number, since it uses as much as digits as its factorization.

109040342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54520173.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 109040342 is about 10442.2383615775. The cubic root of 109040342 is about 477.7445429239.

The spelling of 109040342 in words is "one hundred nine million, forty thousand, three hundred forty-two".