33138103 has 4 divisors (see below), whose sum is σ = 33160168. Its totient is φ = 33116040.

The previous prime is 33138089. The next prime is 33138121. The reversal of 33138103 is 30183133.

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

It is a cyclic number.

It is not a de Polignac number, because 33138103 - 2⁹ = 33137591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33118103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8601 + ... + 11842.

It is an arithmetic number, because the mean of its divisors is an integer number (8290042).

Almost surely, 2^33138103 is an apocalyptic number.

33138103 is a deficient number, since it is larger than the sum of its proper divisors (22065).

33138103 is a wasteful number, since it uses less digits than its factorization.

33138103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22064.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 33138103 is about 5756.5704199636. The cubic root of 33138103 is about 321.2002548298.

The spelling of 33138103 in words is "thirty-three million, one hundred thirty-eight thousand, one hundred three".