134123215 has 8 divisors (see below), whose sum is σ = 161622720. Its totient is φ = 106848672.

The previous prime is 134123207. The next prime is 134123219. The reversal of 134123215 is 512321431.

It is a happy number.

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 134123215 - 2³ = 134123207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134123219) 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, 54924 + ... + 57313.

It is an arithmetic number, because the mean of its divisors is an integer number (20202840).

Almost surely, 2^134123215 is an apocalyptic number.

134123215 is a deficient number, since it is larger than the sum of its proper divisors (27499505).

134123215 is a wasteful number, since it uses less digits than its factorization.

134123215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112481.

The product of its digits is 720, while the sum is 22.

The square root of 134123215 is about 11581.1577573229. The cubic root of 134123215 is about 511.8797922855.

Adding to 134123215 its reverse (512321431), we get a palindrome (646444646).

The spelling of 134123215 in words is "one hundred thirty-four million, one hundred twenty-three thousand, two hundred fifteen".