109239426 has 12 divisors (see below), whose sum is σ = 236685462. Its totient is φ = 36413136.

The previous prime is 109239419. The next prime is 109239461. The reversal of 109239426 is 624932901.

It can be written as a sum of positive squares in only one way, i.e., 102030201 + 7209225 = 10101^2 + 2685^2 .

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 5 ways as a sum of consecutive naturals, for example, 3034411 + ... + 3034446.

Almost surely, 2^109239426 is an apocalyptic number.

109239426 is an abundant number, since it is smaller than the sum of its proper divisors (127446036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109239426 is a wasteful number, since it uses less digits than its factorization.

109239426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068865 (or 6068862 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 109239426 is about 10451.7666449266. The cubic root of 109239426 is about 478.0351187703.

The spelling of 109239426 in words is "one hundred nine million, two hundred thirty-nine thousand, four hundred twenty-six".