109028765 has 8 divisors (see below), whose sum is σ = 132787680. Its totient is φ = 85920912.

The previous prime is 109028749. The next prime is 109028839. The reversal of 109028765 is 567820901.

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

It is a cyclic number.

It is not a de Polignac number, because 109028765 - 2⁴ = 109028749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162395 + ... + 163064.

It is an arithmetic number, because the mean of its divisors is an integer number (16598460).

Almost surely, 2^109028765 is an apocalyptic number.

It is an amenable number.

109028765 is a deficient number, since it is larger than the sum of its proper divisors (23758915).

109028765 is an equidigital number, since it uses as much as digits as its factorization.

109028765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325531.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 109028765 is about 10441.6840116908. The cubic root of 109028765 is about 477.7276346731.

The spelling of 109028765 in words is "one hundred nine million, twenty-eight thousand, seven hundred sixty-five".