33000139 has 2 divisors, whose sum is σ = 33000140. Its totient is φ = 33000138.

The previous prime is 33000133. The next prime is 33000197. The reversal of 33000139 is 93100033.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33000139 - 2⁹ = 32999627 is a prime.

It is not a weakly prime, because it can be changed into another prime (33000133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16500069 + 16500070.

It is an arithmetic number, because the mean of its divisors is an integer number (16500070).

Almost surely, 2^33000139 is an apocalyptic number.

33000139 is a deficient number, since it is larger than the sum of its proper divisors (1).

33000139 is an equidigital number, since it uses as much as digits as its factorization.

33000139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 19.

The square root of 33000139 is about 5744.5747449224. The cubic root of 33000139 is about 320.7538833497.

The spelling of 33000139 in words is "thirty-three million, one hundred thirty-nine", and thus it is an aban number.