135223406 has 8 divisors (see below), whose sum is σ = 214766640. Its totient is φ = 63634528.

The previous prime is 135223393. The next prime is 135223427. The reversal of 135223406 is 604322531.

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

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1988546 + ... + 1988613.

It is an arithmetic number, because the mean of its divisors is an integer number (26845830).

Almost surely, 2^135223406 is an apocalyptic number.

135223406 is a deficient number, since it is larger than the sum of its proper divisors (79543234).

135223406 is a wasteful number, since it uses less digits than its factorization.

135223406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977178.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 135223406 is about 11628.5599280392. The cubic root of 135223406 is about 513.2756050035.

Adding to 135223406 its reverse (604322531), we get a palindrome (739545937).

The spelling of 135223406 in words is "one hundred thirty-five million, two hundred twenty-three thousand, four hundred six".