109689754 has 8 divisors (see below), whose sum is σ = 167639220. Its totient is φ = 53810016.

The previous prime is 109689751. The next prime is 109689809. The reversal of 109689754 is 457986901.

It can be written as a sum of positive squares in 2 ways, for example, as 105781225 + 3908529 = 10285^2 + 1977^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 109689698 and 109689707.

It is not an unprimeable number, because it can be changed into a prime (109689751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517299 + ... + 517510.

Almost surely, 2^109689754 is an apocalyptic number.

109689754 is a deficient number, since it is larger than the sum of its proper divisors (57949466).

109689754 is a wasteful number, since it uses less digits than its factorization.

109689754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034864.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 109689754 is about 10473.2876404690. The cubic root of 109689754 is about 478.6911012900.

The spelling of 109689754 in words is "one hundred nine million, six hundred eighty-nine thousand, seven hundred fifty-four".