135622255 has 8 divisors (see below), whose sum is σ = 162919152. Its totient is φ = 108382848.

The previous prime is 135622229. The next prime is 135622309. The reversal of 135622255 is 552226531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135622255 - 2²³ = 127233647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8997 + ... + 18766.

It is an arithmetic number, because the mean of its divisors is an integer number (20364894).

Almost surely, 2^135622255 is an apocalyptic number.

135622255 is a deficient number, since it is larger than the sum of its proper divisors (27296897).

135622255 is an equidigital number, since it uses as much as digits as its factorization.

135622255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28745.

The product of its digits is 18000, while the sum is 31.

The square root of 135622255 is about 11645.6968447577. The cubic root of 135622255 is about 513.7797546914.

Adding to 135622255 its reverse (552226531), we get a palindrome (687848786).

The spelling of 135622255 in words is "one hundred thirty-five million, six hundred twenty-two thousand, two hundred fifty-five".