109681434 has 24 divisors (see below), whose sum is σ = 247976352. Its totient is φ = 34970760.

The previous prime is 109681423. The next prime is 109681483. The reversal of 109681434 is 434186901.

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 11 ways as a sum of consecutive naturals, for example, 132052 + ... + 132879.

It is an arithmetic number, because the mean of its divisors is an integer number (10332348).

Almost surely, 2^109681434 is an apocalyptic number.

109681434 is an abundant number, since it is smaller than the sum of its proper divisors (138294918).

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

109681434 is a wasteful number, since it uses less digits than its factorization.

109681434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264962 (or 264959 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 109681434 is about 10472.8904319677. The cubic root of 109681434 is about 478.6789980305.

The spelling of 109681434 in words is "one hundred nine million, six hundred eighty-one thousand, four hundred thirty-four".