134638228 has 12 divisors (see below), whose sum is σ = 245861280. Its totient is φ = 64392152.

The previous prime is 134638211. The next prime is 134638241. The reversal of 134638228 is 822836431.

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, 731638 + ... + 731821.

It is an arithmetic number, because the mean of its divisors is an integer number (20488440).

Almost surely, 2^134638228 is an apocalyptic number.

It is an amenable number.

134638228 is a deficient number, since it is larger than the sum of its proper divisors (111223052).

134638228 is a wasteful number, since it uses less digits than its factorization.

134638228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463486 (or 1463484 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 134638228 is about 11603.3714066214. The cubic root of 134638228 is about 512.5341359773.

The spelling of 134638228 in words is "one hundred thirty-four million, six hundred thirty-eight thousand, two hundred twenty-eight".