33969139 has 2 divisors, whose sum is σ = 33969140. Its totient is φ = 33969138.

The previous prime is 33969107. The next prime is 33969151. The reversal of 33969139 is 93196933.

33969139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33969139 - 2⁵ = 33969107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33969095 and 33969104.

It is not a weakly prime, because it can be changed into another prime (33969239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16984569 + 16984570.

It is an arithmetic number, because the mean of its divisors is an integer number (16984570).

Almost surely, 2^33969139 is an apocalyptic number.

33969139 is a deficient number, since it is larger than the sum of its proper divisors (1).

33969139 is an equidigital number, since it uses as much as digits as its factorization.

33969139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 118098, while the sum is 43.

The square root of 33969139 is about 5828.3049851565. The cubic root of 33969139 is about 323.8631331433.

The spelling of 33969139 in words is "thirty-three million, nine hundred sixty-nine thousand, one hundred thirty-nine".