109407853 has 4 divisors (see below), whose sum is σ = 112364860. Its totient is φ = 106450848.

The previous prime is 109407841. The next prime is 109407863. The reversal of 109407853 is 358704901.

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

It can be written as a sum of positive squares in 2 ways, for example, as 56220004 + 53187849 = 7498^2 + 7293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109407853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 2956969 = 109407853 / (1 + 0 + 9 + 4 + 0 + 7 + 8 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109407863) 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, 1478448 + ... + 1478521.

It is an arithmetic number, because the mean of its divisors is an integer number (28091215).

Almost surely, 2^109407853 is an apocalyptic number.

It is an amenable number.

109407853 is a deficient number, since it is larger than the sum of its proper divisors (2957007).

109407853 is an equidigital number, since it uses as much as digits as its factorization.

109407853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957006.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 109407853 is about 10459.8208875678. The cubic root of 109407853 is about 478.2806732069.

The spelling of 109407853 in words is "one hundred nine million, four hundred seven thousand, eight hundred fifty-three".