109147929 has 12 divisors (see below), whose sum is σ = 159963888. Its totient is φ = 66150040.

The previous prime is 109147919. The next prime is 109147933. The reversal of 109147929 is 929741901.

It is not a de Polignac number, because 109147929 - 2¹⁵ = 109115161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109147919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149979 + ... + 150704.

It is an arithmetic number, because the mean of its divisors is an integer number (13330324).

Almost surely, 2^109147929 is an apocalyptic number.

It is an amenable number.

109147929 is a deficient number, since it is larger than the sum of its proper divisors (50815959).

109147929 is a wasteful number, since it uses less digits than its factorization.

109147929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300708 (or 300697 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 109147929 is about 10447.3886210861. The cubic root of 109147929 is about 477.9016169198.

The spelling of 109147929 in words is "one hundred nine million, one hundred forty-seven thousand, nine hundred twenty-nine".