133345519 has 2 divisors, whose sum is σ = 133345520. Its totient is φ = 133345518.

The previous prime is 133345483. The next prime is 133345543. The reversal of 133345519 is 915543331.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (915543331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133345519 - 2¹¹ = 133343471 is a prime.

It is a super-2 number, since 2×133345519² = 35562054874758722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133345549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66672759 + 66672760.

It is an arithmetic number, because the mean of its divisors is an integer number (66672760).

Almost surely, 2^133345519 is an apocalyptic number.

133345519 is a deficient number, since it is larger than the sum of its proper divisors (1).

133345519 is an equidigital number, since it uses as much as digits as its factorization.

133345519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 34.

The square root of 133345519 is about 11547.5330265819. The cubic root of 133345519 is about 510.8885177738. Note that the first 3 decimals are identical.

The spelling of 133345519 in words is "one hundred thirty-three million, three hundred forty-five thousand, five hundred nineteen".