133334429 has 2 divisors, whose sum is σ = 133334430. Its totient is φ = 133334428.

The previous prime is 133334393. The next prime is 133334447. The reversal of 133334429 is 924433331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131721529 + 1612900 = 11477^2 + 1270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133334429 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 133334395 and 133334404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133334129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66667214 + 66667215.

It is an arithmetic number, because the mean of its divisors is an integer number (66667215).

Almost surely, 2^133334429 is an apocalyptic number.

It is an amenable number.

133334429 is a deficient number, since it is larger than the sum of its proper divisors (1).

133334429 is an equidigital number, since it uses as much as digits as its factorization.

133334429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 32.

The square root of 133334429 is about 11547.0528274534. The cubic root of 133334429 is about 510.8743542914.

The spelling of 133334429 in words is "one hundred thirty-three million, three hundred thirty-four thousand, four hundred twenty-nine".