109953939 has 4 divisors (see below), whose sum is σ = 146605256. Its totient is φ = 73302624.

The previous prime is 109953917. The next prime is 109953947. The reversal of 109953939 is 939359901.

It is a happy number.

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

It is not a de Polignac number, because 109953939 - 2¹² = 109949843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109953139) 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, 18325654 + ... + 18325659.

It is an arithmetic number, because the mean of its divisors is an integer number (36651314).

Almost surely, 2^109953939 is an apocalyptic number.

109953939 is a deficient number, since it is larger than the sum of its proper divisors (36651317).

109953939 is an equidigital number, since it uses as much as digits as its factorization.

109953939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36651316.

The product of its (nonzero) digits is 295245, while the sum is 48.

The square root of 109953939 is about 10485.8923797643. The cubic root of 109953939 is about 479.0750983118.

The spelling of 109953939 in words is "one hundred nine million, nine hundred fifty-three thousand, nine hundred thirty-nine".