109147689 has 32 divisors (see below), whose sum is σ = 185569280. Its totient is φ = 62110800.

The previous prime is 109147681. The next prime is 109147697. The reversal of 109147689 is 986741901.

It is a happy number.

109147689 is a `hidden beast` number, since 10 + 91 + 476 + 89 = 666.

It is an interprime number because it is at equal distance from previous prime (109147681) and next prime (109147697).

It is not a de Polignac number, because 109147689 - 2³ = 109147681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109147681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50154 + ... + 52284.

It is an arithmetic number, because the mean of its divisors is an integer number (5799040).

Almost surely, 2^109147689 is an apocalyptic number.

It is an amenable number.

109147689 is a deficient number, since it is larger than the sum of its proper divisors (76421591).

109147689 is a wasteful number, since it uses less digits than its factorization.

109147689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418 (or 2412 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 109147689 is about 10447.3771349559. The cubic root of 109147689 is about 477.9012666415.

The spelling of 109147689 in words is "one hundred nine million, one hundred forty-seven thousand, six hundred eighty-nine".