135133819 has 2 divisors, whose sum is σ = 135133820. Its totient is φ = 135133818.

The previous prime is 135133793. The next prime is 135133829. The reversal of 135133819 is 918331531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135133819 - 2⁵ = 135133787 is a prime.

It is a super-2 number, since 2×135133819² = 36522298075049522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135133829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67566909 + 67566910.

It is an arithmetic number, because the mean of its divisors is an integer number (67566910).

Almost surely, 2^135133819 is an apocalyptic number.

135133819 is a deficient number, since it is larger than the sum of its proper divisors (1).

135133819 is an equidigital number, since it uses as much as digits as its factorization.

135133819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 34.

The square root of 135133819 is about 11624.7072651315. The cubic root of 135133819 is about 513.1622297099.

The spelling of 135133819 in words is "one hundred thirty-five million, one hundred thirty-three thousand, eight hundred nineteen".