33982139 has 2 divisors, whose sum is σ = 33982140. Its totient is φ = 33982138.

The previous prime is 33982103. The next prime is 33982141. The reversal of 33982139 is 93128933.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33982139 - 2²⁴ = 17204923 is a prime.

It is a Sophie Germain prime.

Together with 33982141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33982159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16991069 + 16991070.

It is an arithmetic number, because the mean of its divisors is an integer number (16991070).

Almost surely, 2^33982139 is an apocalyptic number.

33982139 is a deficient number, since it is larger than the sum of its proper divisors (1).

33982139 is an equidigital number, since it uses as much as digits as its factorization.

33982139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 38.

The square root of 33982139 is about 5829.4201255356. The cubic root of 33982139 is about 323.9044420478.

The spelling of 33982139 in words is "thirty-three million, nine hundred eighty-two thousand, one hundred thirty-nine".