109288013 has 4 divisors (see below), whose sum is σ = 109313568. Its totient is φ = 109262460.

The previous prime is 109288007. The next prime is 109288021. The reversal of 109288013 is 310882901.

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 a cyclic number.

It is not a de Polignac number, because 109288013 - 2⁶ = 109287949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109288033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4631 + ... + 15492.

It is an arithmetic number, because the mean of its divisors is an integer number (27328392).

Almost surely, 2^109288013 is an apocalyptic number.

It is an amenable number.

109288013 is a deficient number, since it is larger than the sum of its proper divisors (25555).

109288013 is an equidigital number, since it uses as much as digits as its factorization.

109288013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25554.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 109288013 is about 10454.0907304270. The cubic root of 109288013 is about 478.1059810055.

The spelling of 109288013 in words is "one hundred nine million, two hundred eighty-eight thousand, thirteen".