135628226 has 4 divisors (see below), whose sum is σ = 203442342. Its totient is φ = 67814112.

The previous prime is 135628223. The next prime is 135628231. The reversal of 135628226 is 622826531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 135606025 + 22201 = 11645^2 + 149^2 .

It is not an unprimeable number, because it can be changed into a prime (135628223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33907055 + ... + 33907058.

Almost surely, 2^135628226 is an apocalyptic number.

135628226 is a deficient number, since it is larger than the sum of its proper divisors (67814116).

135628226 is an equidigital number, since it uses as much as digits as its factorization.

135628226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67814115.

The product of its digits is 34560, while the sum is 35.

The square root of 135628226 is about 11645.9532027224. The cubic root of 135628226 is about 513.7872945894.

The spelling of 135628226 in words is "one hundred thirty-five million, six hundred twenty-eight thousand, two hundred twenty-six".