109329405 has 16 divisors (see below), whose sum is σ = 180570624. Its totient is φ = 56427840.

The previous prime is 109329371. The next prime is 109329427. The reversal of 109329405 is 504923901.

It is not a de Polignac number, because 109329405 - 2¹⁷ = 109198333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117094 + ... + 118023.

It is an arithmetic number, because the mean of its divisors is an integer number (11285664).

Almost surely, 2^109329405 is an apocalyptic number.

109329405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109329405 is a deficient number, since it is larger than the sum of its proper divisors (71241219).

109329405 is a wasteful number, since it uses less digits than its factorization.

109329405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235156.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 109329405 is about 10456.0702465123. The cubic root of 109329405 is about 478.1663330494.

The spelling of 109329405 in words is "one hundred nine million, three hundred twenty-nine thousand, four hundred five".