134911213 has 8 divisors (see below), whose sum is σ = 138808832. Its totient is φ = 131026896.

The previous prime is 134911177. The next prime is 134911241. The reversal of 134911213 is 312119431.

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 134911213 - 2⁹ = 134910701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134911243) 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, 19456 + ... + 25462.

It is an arithmetic number, because the mean of its divisors is an integer number (17351104).

Almost surely, 2^134911213 is an apocalyptic number.

It is an amenable number.

134911213 is a deficient number, since it is larger than the sum of its proper divisors (3897619).

134911213 is an equidigital number, since it uses as much as digits as its factorization.

134911213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6651.

The product of its digits is 648, while the sum is 25.

The square root of 134911213 is about 11615.1286260635. The cubic root of 134911213 is about 512.8802973879.

The spelling of 134911213 in words is "one hundred thirty-four million, nine hundred eleven thousand, two hundred thirteen".