134256213 has 24 divisors (see below), whose sum is σ = 238679168. Its totient is φ = 70816032.

The previous prime is 134256203. The next prime is 134256247. The reversal of 134256213 is 312652431.

134256213 is a `hidden beast` number, since 1 + 34 + 2 + 5 + 621 + 3 = 666.

It is not a de Polignac number, because 134256213 - 2⁴ = 134256197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134256203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81145 + ... + 82782.

Almost surely, 2^134256213 is an apocalyptic number.

134256213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

134256213 is a deficient number, since it is larger than the sum of its proper divisors (104422955).

134256213 is a wasteful number, since it uses less digits than its factorization.

134256213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163953 (or 163950 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 134256213 is about 11586.8983338942. The cubic root of 134256213 is about 512.0489315316.

The spelling of 134256213 in words is "one hundred thirty-four million, two hundred fifty-six thousand, two hundred thirteen".