109748159 has 4 divisors (see below), whose sum is σ = 110475120. Its totient is φ = 109021200.

The previous prime is 109748147. The next prime is 109748173. The reversal of 109748159 is 951847901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109748159 - 2²⁰ = 108699583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109747159) 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, 363254 + ... + 363555.

It is an arithmetic number, because the mean of its divisors is an integer number (27618780).

Almost surely, 2^109748159 is an apocalyptic number.

109748159 is a deficient number, since it is larger than the sum of its proper divisors (726961).

109748159 is an equidigital number, since it uses as much as digits as its factorization.

109748159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726960.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 109748159 is about 10476.0755533740. The cubic root of 109748159 is about 478.7760469119.

The spelling of 109748159 in words is "one hundred nine million, seven hundred forty-eight thousand, one hundred fifty-nine".