109329387 has 4 divisors (see below), whose sum is σ = 145772520. Its totient is φ = 72886256.

The previous prime is 109329371. The next prime is 109329427. The reversal of 109329387 is 783923901.

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

It is a cyclic number.

It is not a de Polignac number, because 109329387 - 2⁴ = 109329371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109329307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18221562 + ... + 18221567.

It is an arithmetic number, because the mean of its divisors is an integer number (36443130).

Almost surely, 2^109329387 is an apocalyptic number.

109329387 is a deficient number, since it is larger than the sum of its proper divisors (36443133).

109329387 is an equidigital number, since it uses as much as digits as its factorization.

109329387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36443132.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 109329387 is about 10456.0693857682. The cubic root of 109329387 is about 478.1663068076.

The spelling of 109329387 in words is "one hundred nine million, three hundred twenty-nine thousand, three hundred eighty-seven".