109439331 has 8 divisors (see below), whose sum is σ = 150626304. Its totient is φ = 70605960.

The previous prime is 109439327. The next prime is 109439333. The reversal of 109439331 is 133934901.

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

It is not a de Polignac number, because 109439331 - 2² = 109439327 is a prime.

It is a super-2 number, since 2×109439331² = 23953934339455122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 109439292 and 109439301.

It is not an unprimeable number, because it can be changed into a prime (109439333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588291 + ... + 588476.

It is an arithmetic number, because the mean of its divisors is an integer number (18828288).

Almost surely, 2^109439331 is an apocalyptic number.

109439331 is a deficient number, since it is larger than the sum of its proper divisors (41186973).

109439331 is a wasteful number, since it uses less digits than its factorization.

109439331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176801.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 109439331 is about 10461.3254896308. The cubic root of 109439331 is about 478.3265379079.

The spelling of 109439331 in words is "one hundred nine million, four hundred thirty-nine thousand, three hundred thirty-one".