134342215 has 16 divisors (see below), whose sum is σ = 188163072. Its totient is φ = 90159264.

The previous prime is 134342213. The next prime is 134342237. The reversal of 134342215 is 512243431.

It is a cyclic number.

It is not a de Polignac number, because 134342215 - 2¹ = 134342213 is a prime.

It is a super-2 number, since 2×134342215² = 36095661462212450, which contains 22 as substring.

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 134342215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134342213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39189 + ... + 42478.

It is an arithmetic number, because the mean of its divisors is an integer number (11760192).

Almost surely, 2^134342215 is an apocalyptic number.

134342215 is a deficient number, since it is larger than the sum of its proper divisors (53820857).

134342215 is an equidigital number, since it uses as much as digits as its factorization.

134342215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81726.

The product of its digits is 2880, while the sum is 25.

The square root of 134342215 is about 11590.6089141166. The cubic root of 134342215 is about 512.1582444923.

Adding to 134342215 its reverse (512243431), we get a palindrome (646585646).

The spelling of 134342215 in words is "one hundred thirty-four million, three hundred forty-two thousand, two hundred fifteen".