134343215 has 4 divisors (see below), whose sum is σ = 161211864. Its totient is φ = 107474568.

The previous prime is 134343211. The next prime is 134343227. The reversal of 134343215 is 512343431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 512343431 = 1231 ⋅416201.

It is a cyclic number.

It is not a de Polignac number, because 134343215 - 2² = 134343211 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 (134343211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13434317 + ... + 13434326.

It is an arithmetic number, because the mean of its divisors is an integer number (40302966).

Almost surely, 2^134343215 is an apocalyptic number.

134343215 is a deficient number, since it is larger than the sum of its proper divisors (26868649).

134343215 is an equidigital number, since it uses as much as digits as its factorization.

134343215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26868648.

The product of its digits is 4320, while the sum is 26.

The square root of 134343215 is about 11590.6520524084. The cubic root of 134343215 is about 512.1595152693.

Adding to 134343215 its reverse (512343431), we get a palindrome (646686646).

The spelling of 134343215 in words is "one hundred thirty-four million, three hundred forty-three thousand, two hundred fifteen".