109113729 has 4 divisors (see below), whose sum is σ = 145484976. Its totient is φ = 72742484.

The previous prime is 109113727. The next prime is 109113731. The reversal of 109113729 is 927311901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (109113727) and next prime (109113731).

It is a cyclic number.

It is not a de Polignac number, because 109113729 - 2¹ = 109113727 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 109113729.

It is not an unprimeable number, because it can be changed into a prime (109113727) 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, 18185619 + ... + 18185624.

It is an arithmetic number, because the mean of its divisors is an integer number (36371244).

Almost surely, 2^109113729 is an apocalyptic number.

It is an amenable number.

109113729 is a deficient number, since it is larger than the sum of its proper divisors (36371247).

109113729 is an equidigital number, since it uses as much as digits as its factorization.

109113729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36371246.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 109113729 is about 10445.7517201971. The cubic root of 109113729 is about 477.8516970761.

The spelling of 109113729 in words is "one hundred nine million, one hundred thirteen thousand, seven hundred twenty-nine".