134133213 has 16 divisors (see below), whose sum is σ = 189846720. Its totient is φ = 83947776.

The previous prime is 134133169. The next prime is 134133221. The reversal of 134133213 is 312331431.

It is not a de Polignac number, because 134133213 - 2¹³ = 134125021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134133213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134133313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18231 + ... + 24507.

It is an arithmetic number, because the mean of its divisors is an integer number (11865420).

Almost surely, 2^134133213 is an apocalyptic number.

It is an amenable number.

134133213 is a deficient number, since it is larger than the sum of its proper divisors (55713507).

134133213 is a wasteful number, since it uses less digits than its factorization.

134133213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716.

The product of its digits is 648, while the sum is 21.

The square root of 134133213 is about 11581.5893986965. The cubic root of 134133213 is about 511.8925110556.

Adding to 134133213 its reverse (312331431), we get a palindrome (446464644).

The spelling of 134133213 in words is "one hundred thirty-four million, one hundred thirty-three thousand, two hundred thirteen".