134218459 has 2 divisors, whose sum is σ = 134218460. Its totient is φ = 134218458.

The previous prime is 134218433. The next prime is 134218463. The reversal of 134218459 is 954812431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134218459 - 2¹⁵ = 134185691 is a prime.

It is not a weakly prime, because it can be changed into another prime (134218429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67109229 + 67109230.

It is an arithmetic number, because the mean of its divisors is an integer number (67109230).

Almost surely, 2^134218459 is an apocalyptic number.

134218459 is a deficient number, since it is larger than the sum of its proper divisors (1).

134218459 is an equidigital number, since it uses as much as digits as its factorization.

134218459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 134218459 is about 11585.2690516880. The cubic root of 134218459 is about 512.0009295129. Note that the first 3 decimals are identical.

The spelling of 134218459 in words is "one hundred thirty-four million, two hundred eighteen thousand, four hundred fifty-nine".