134678213 has 8 divisors (see below), whose sum is σ = 141918720. Its totient is φ = 127452960.

The previous prime is 134678209. The next prime is 134678227. The reversal of 134678213 is 312876431.

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

It is a cyclic number.

It is not a de Polignac number, because 134678213 - 2² = 134678209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134678263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17393 + ... + 23913.

It is an arithmetic number, because the mean of its divisors is an integer number (17739840).

Almost surely, 2^134678213 is an apocalyptic number.

It is an amenable number.

134678213 is a deficient number, since it is larger than the sum of its proper divisors (7240507).

134678213 is a wasteful number, since it uses less digits than its factorization.

134678213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7627.

The product of its digits is 24192, while the sum is 35.

The square root of 134678213 is about 11605.0942693284. The cubic root of 134678213 is about 512.5848685944.

The spelling of 134678213 in words is "one hundred thirty-four million, six hundred seventy-eight thousand, two hundred thirteen".