135478222 has 8 divisors (see below), whose sum is σ = 221691672. Its totient is φ = 61581000.

The previous prime is 135478199. The next prime is 135478241. The reversal of 135478222 is 222874531.

It is a happy number.

135478222 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3079029 + ... + 3079072.

It is an arithmetic number, because the mean of its divisors is an integer number (27711459).

Almost surely, 2^135478222 is an apocalyptic number.

135478222 is a deficient number, since it is larger than the sum of its proper divisors (86213450).

135478222 is a wasteful number, since it uses less digits than its factorization.

135478222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6158114.

The product of its digits is 26880, while the sum is 34.

The square root of 135478222 is about 11639.5112440343. The cubic root of 135478222 is about 513.5978094993.

The spelling of 135478222 in words is "one hundred thirty-five million, four hundred seventy-eight thousand, two hundred twenty-two".