133845319 has 2 divisors, whose sum is σ = 133845320. Its totient is φ = 133845318.

The previous prime is 133845293. The next prime is 133845347. The reversal of 133845319 is 913548331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133845319 - 2⁷ = 133845191 is a prime.

It is a super-2 number, since 2×133845319² = 35829138836423522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133845389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66922659 + 66922660.

It is an arithmetic number, because the mean of its divisors is an integer number (66922660).

Almost surely, 2^133845319 is an apocalyptic number.

133845319 is a deficient number, since it is larger than the sum of its proper divisors (1).

133845319 is an equidigital number, since it uses as much as digits as its factorization.

133845319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 133845319 is about 11569.1537719921. The cubic root of 133845319 is about 511.5260188186.

The spelling of 133845319 in words is "one hundred thirty-three million, eight hundred forty-five thousand, three hundred nineteen".