135418258 has 4 divisors (see below), whose sum is σ = 203127390. Its totient is φ = 67709128.

The previous prime is 135418253. The next prime is 135418259. The reversal of 135418258 is 852814531.

135418258 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 852814531 = 4447 ⋅191773.

It can be written as a sum of positive squares in only one way, i.e., 70341769 + 65076489 = 8387^2 + 8067^2 .

It is not an unprimeable number, because it can be changed into a prime (135418253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33854563 + ... + 33854566.

Almost surely, 2^135418258 is an apocalyptic number.

135418258 is a deficient number, since it is larger than the sum of its proper divisors (67709132).

135418258 is an equidigital number, since it uses as much as digits as its factorization.

135418258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67709131.

The product of its digits is 38400, while the sum is 37.

The square root of 135418258 is about 11636.9350775881. The cubic root of 135418258 is about 513.5220238283.

The spelling of 135418258 in words is "one hundred thirty-five million, four hundred eighteen thousand, two hundred fifty-eight".