109990135 has 4 divisors (see below), whose sum is σ = 131988168. Its totient is φ = 87992104.

The previous prime is 109990129. The next prime is 109990141. The reversal of 109990135 is 531099901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531099901 = 379 ⋅1401319.

It is an interprime number because it is at equal distance from previous prime (109990129) and next prime (109990141).

It is a cyclic number.

It is not a de Polignac number, because 109990135 - 2⁵ = 109990103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109990094 and 109990103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10999009 + ... + 10999018.

It is an arithmetic number, because the mean of its divisors is an integer number (32997042).

Almost surely, 2^109990135 is an apocalyptic number.

109990135 is a deficient number, since it is larger than the sum of its proper divisors (21998033).

109990135 is an equidigital number, since it uses as much as digits as its factorization.

109990135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21998032.

The product of its (nonzero) digits is 10935, while the sum is 37.

The square root of 109990135 is about 10487.6181757347. The cubic root of 109990135 is about 479.1276618366.

The spelling of 109990135 in words is "one hundred nine million, nine hundred ninety thousand, one hundred thirty-five".