33140071 has 2 divisors, whose sum is σ = 33140072. Its totient is φ = 33140070.

The previous prime is 33140039. The next prime is 33140083. The reversal of 33140071 is 17004133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33140071 - 2⁵ = 33140039 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33141071) 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 as a sum of consecutive naturals, namely, 16570035 + 16570036.

It is an arithmetic number, because the mean of its divisors is an integer number (16570036).

Almost surely, 2^33140071 is an apocalyptic number.

33140071 is a deficient number, since it is larger than the sum of its proper divisors (1).

33140071 is an equidigital number, since it uses as much as digits as its factorization.

33140071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 33140071 is about 5756.7413525362. The cubic root of 33140071 is about 321.2066131659.

The spelling of 33140071 in words is "thirty-three million, one hundred forty thousand, seventy-one".