109029688 has 8 divisors (see below), whose sum is σ = 204430680. Its totient is φ = 54514840.

The previous prime is 109029677. The next prime is 109029691. The reversal of 109029688 is 886920901.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6814348 + ... + 6814363.

It is an arithmetic number, because the mean of its divisors is an integer number (25553835).

Almost surely, 2^109029688 is an apocalyptic number.

It is an amenable number.

109029688 is a deficient number, since it is larger than the sum of its proper divisors (95400992).

109029688 is a wasteful number, since it uses less digits than its factorization.

109029688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13628717 (or 13628713 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 109029688 is about 10441.7282094489. The cubic root of 109029688 is about 477.7289827619.

The spelling of 109029688 in words is "one hundred nine million, twenty-nine thousand, six hundred eighty-eight".