133358389 has 2 divisors, whose sum is σ = 133358390. Its totient is φ = 133358388.

The previous prime is 133358369. The next prime is 133358429. The reversal of 133358389 is 983853331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133217764 + 140625 = 11542^2 + 375^2 .

It is an emirp because it is prime and its reverse (983853331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133358389 - 2²³ = 124969781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133358369) 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, 66679194 + 66679195.

It is an arithmetic number, because the mean of its divisors is an integer number (66679195).

Almost surely, 2^133358389 is an apocalyptic number.

It is an amenable number.

133358389 is a deficient number, since it is larger than the sum of its proper divisors (1).

133358389 is an equidigital number, since it uses as much as digits as its factorization.

133358389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 43.

The square root of 133358389 is about 11548.0902750195. The cubic root of 133358389 is about 510.9049535809.

The spelling of 133358389 in words is "one hundred thirty-three million, three hundred fifty-eight thousand, three hundred eighty-nine".