109252133 has 4 divisors (see below), whose sum is σ = 111313548. Its totient is φ = 107190720.

The previous prime is 109252079. The next prime is 109252151. The reversal of 109252133 is 331252901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331252901 = 7 ⋅47321843.

It can be written as a sum of positive squares in 2 ways, for example, as 70526404 + 38725729 = 8398^2 + 6223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109252133 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 (109252163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030628 + ... + 1030733.

It is an arithmetic number, because the mean of its divisors is an integer number (27828387).

Almost surely, 2^109252133 is an apocalyptic number.

It is an amenable number.

109252133 is a deficient number, since it is larger than the sum of its proper divisors (2061415).

109252133 is an equidigital number, since it uses as much as digits as its factorization.

109252133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061414.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 109252133 is about 10452.3745149129. The cubic root of 109252133 is about 478.0536534605.

The spelling of 109252133 in words is "one hundred nine million, two hundred fifty-two thousand, one hundred thirty-three".