33136429 has 2 divisors, whose sum is σ = 33136430. Its totient is φ = 33136428.

The previous prime is 33136421. The next prime is 33136469. The reversal of 33136429 is 92463133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25857225 + 7279204 = 5085^2 + 2698^2 .

It is a cyclic number.

It is not a de Polignac number, because 33136429 - 2³ = 33136421 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33136429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33136421) 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, 16568214 + 16568215.

It is an arithmetic number, because the mean of its divisors is an integer number (16568215).

Almost surely, 2^33136429 is an apocalyptic number.

It is an amenable number.

33136429 is a deficient number, since it is larger than the sum of its proper divisors (1).

33136429 is an equidigital number, since it uses as much as digits as its factorization.

33136429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 31.

The square root of 33136429 is about 5756.4250190548. The cubic root of 33136429 is about 321.1948461689.

The spelling of 33136429 in words is "thirty-three million, one hundred thirty-six thousand, four hundred twenty-nine".