135420319 has 2 divisors, whose sum is σ = 135420320. Its totient is φ = 135420318.

The previous prime is 135420269. The next prime is 135420323. The reversal of 135420319 is 913024531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135420319 - 2⁷ = 135420191 is a prime.

It is a super-2 number, since 2×135420319² = 36677325596123522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135420349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67710159 + 67710160.

It is an arithmetic number, because the mean of its divisors is an integer number (67710160).

Almost surely, 2^135420319 is an apocalyptic number.

135420319 is a deficient number, since it is larger than the sum of its proper divisors (1).

135420319 is an equidigital number, since it uses as much as digits as its factorization.

135420319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 135420319 is about 11637.0236314962. The cubic root of 135420319 is about 513.5246290002.

The spelling of 135420319 in words is "one hundred thirty-five million, four hundred twenty thousand, three hundred nineteen".