134303213 has 24 divisors (see below), whose sum is σ = 157822560. Its totient is φ = 113304320.

The previous prime is 134303209. The next prime is 134303243. The reversal of 134303213 is 312303431.

It is not a de Polignac number, because 134303213 - 2² = 134303209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134303243) 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, 263603 + ... + 264111.

It is an arithmetic number, because the mean of its divisors is an integer number (6575940).

Almost surely, 2^134303213 is an apocalyptic number.

It is an amenable number.

134303213 is a deficient number, since it is larger than the sum of its proper divisors (23519347).

134303213 is a wasteful number, since it uses less digits than its factorization.

134303213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 134303213 is about 11588.9263091971. The cubic root of 134303213 is about 512.1086767293.

Adding to 134303213 its reverse (312303431), we get a palindrome (446606644).

The spelling of 134303213 in words is "one hundred thirty-four million, three hundred three thousand, two hundred thirteen".