109729434 has 16 divisors (see below), whose sum is σ = 219663360. Its totient is φ = 36542400.

The previous prime is 109729409. The next prime is 109729471. The reversal of 109729434 is 434927901.

It is a junction number, because it is equal to n+sod(n) for n = 109729392 and 109729401.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1039 + ... + 14850.

It is an arithmetic number, because the mean of its divisors is an integer number (13728960).

Almost surely, 2^109729434 is an apocalyptic number.

109729434 is an abundant number, since it is smaller than the sum of its proper divisors (109933926).

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

109729434 is a wasteful number, since it uses less digits than its factorization.

109729434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17045.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 109729434 is about 10475.1818122646. The cubic root of 109729434 is about 478.7488161092.

The spelling of 109729434 in words is "one hundred nine million, seven hundred twenty-nine thousand, four hundred thirty-four".