135223455 has 8 divisors (see below), whose sum is σ = 216357552. Its totient is φ = 72119168.

The previous prime is 135223427. The next prime is 135223469. The reversal of 135223455 is 554322531.

135223455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 135223455 - 2⁶ = 135223391 is a prime.

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, 4507434 + ... + 4507463.

It is an arithmetic number, because the mean of its divisors is an integer number (27044694).

Almost surely, 2^135223455 is an apocalyptic number.

135223455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135223455 is a deficient number, since it is larger than the sum of its proper divisors (81134097).

135223455 is an equidigital number, since it uses as much as digits as its factorization.

135223455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9014905.

The product of its digits is 18000, while the sum is 30.

The square root of 135223455 is about 11628.5620349207. The cubic root of 135223455 is about 513.2756670009.

Adding to 135223455 its reverse (554322531), we get a palindrome (689545986).

The spelling of 135223455 in words is "one hundred thirty-five million, two hundred twenty-three thousand, four hundred fifty-five".