133303019 has 2 divisors, whose sum is σ = 133303020. Its totient is φ = 133303018.

The previous prime is 133302991. The next prime is 133303021. The reversal of 133303019 is 910303331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133303019 - 2¹² = 133298923 is a prime.

It is a super-2 number, since 2×133303019² = 35539389749028722, which contains 22 as substring.

Together with 133303021, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 133302985 and 133303003.

It is not a weakly prime, because it can be changed into another prime (133303039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66651509 + 66651510.

It is an arithmetic number, because the mean of its divisors is an integer number (66651510).

Almost surely, 2^133303019 is an apocalyptic number.

133303019 is a deficient number, since it is larger than the sum of its proper divisors (1).

133303019 is an equidigital number, since it uses as much as digits as its factorization.

133303019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 23.

The square root of 133303019 is about 11545.6926600356. The cubic root of 133303019 is about 510.8342350619.

The spelling of 133303019 in words is "one hundred thirty-three million, three hundred three thousand, nineteen".