135306419 has 4 divisors (see below), whose sum is σ = 136202640. Its totient is φ = 134410200.

The previous prime is 135306407. The next prime is 135306421. The reversal of 135306419 is 914603531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135306419 - 2²⁰ = 134257843 is a prime.

It is a super-2 number, since 2×135306419² = 36615654045207122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135306439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447884 + ... + 448185.

It is an arithmetic number, because the mean of its divisors is an integer number (34050660).

Almost surely, 2^135306419 is an apocalyptic number.

135306419 is a deficient number, since it is larger than the sum of its proper divisors (896221).

135306419 is an equidigital number, since it uses as much as digits as its factorization.

135306419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896220.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 135306419 is about 11632.1287389712. The cubic root of 135306419 is about 513.3806159948.

The spelling of 135306419 in words is "one hundred thirty-five million, three hundred six thousand, four hundred nineteen".