135582619 has 2 divisors, whose sum is σ = 135582620. Its totient is φ = 135582618.

The previous prime is 135582617. The next prime is 135582641. The reversal of 135582619 is 916285531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135582619 - 2¹ = 135582617 is a prime.

It is a super-2 number, since 2×135582619² = 36765293149798322, which contains 22 as substring.

Together with 135582617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (135582611) 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, 67791309 + 67791310.

It is an arithmetic number, because the mean of its divisors is an integer number (67791310).

Almost surely, 2^135582619 is an apocalyptic number.

135582619 is a deficient number, since it is larger than the sum of its proper divisors (1).

135582619 is an equidigital number, since it uses as much as digits as its factorization.

135582619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 40.

The square root of 135582619 is about 11643.9949759522. The cubic root of 135582619 is about 513.7296986036.

The spelling of 135582619 in words is "one hundred thirty-five million, five hundred eighty-two thousand, six hundred nineteen".