133310389 has 2 divisors, whose sum is σ = 133310390. Its totient is φ = 133310388.

The previous prime is 133310357. The next prime is 133310417. The reversal of 133310389 is 983013331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130188100 + 3122289 = 11410^2 + 1767^2 .

It is an emirp because it is prime and its reverse (983013331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133310389 - 2⁵ = 133310357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133310389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133310329) 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, 66655194 + 66655195.

It is an arithmetic number, because the mean of its divisors is an integer number (66655195).

Almost surely, 2^133310389 is an apocalyptic number.

It is an amenable number.

133310389 is a deficient number, since it is larger than the sum of its proper divisors (1).

133310389 is an equidigital number, since it uses as much as digits as its factorization.

133310389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 133310389 is about 11546.0118222701. The cubic root of 133310389 is about 510.8436491495.

The spelling of 133310389 in words is "one hundred thirty-three million, three hundred ten thousand, three hundred eighty-nine".