134043213 has 8 divisors (see below), whose sum is σ = 179821408. Its totient is φ = 88813584.

The previous prime is 134043209. The next prime is 134043223. The reversal of 134043213 is 312340431.

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

It is not a de Polignac number, because 134043213 - 2² = 134043209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134043213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134043223) 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, 136570 + ... + 137547.

It is an arithmetic number, because the mean of its divisors is an integer number (22477676).

Almost surely, 2^134043213 is an apocalyptic number.

It is an amenable number.

134043213 is a deficient number, since it is larger than the sum of its proper divisors (45778195).

134043213 is a wasteful number, since it uses less digits than its factorization.

134043213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274283.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 134043213 is about 11577.7032696472. The cubic root of 134043213 is about 511.7779964553. Note that the first 3 decimals are identical.

Adding to 134043213 its reverse (312340431), we get a palindrome (446383644).

The spelling of 134043213 in words is "one hundred thirty-four million, forty-three thousand, two hundred thirteen".