135206358 has 16 divisors (see below), whose sum is σ = 309043200. Its totient is φ = 38630376.

The previous prime is 135206353. The next prime is 135206387. The reversal of 135206358 is 853602531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135206353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1609558 + ... + 1609641.

It is an arithmetic number, because the mean of its divisors is an integer number (19315200).

Almost surely, 2^135206358 is an apocalyptic number.

135206358 is an abundant number, since it is smaller than the sum of its proper divisors (173836842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135206358 is a wasteful number, since it uses less digits than its factorization.

135206358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219211.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 135206358 is about 11627.8268820962. The cubic root of 135206358 is about 513.2540340578.

Adding to 135206358 its reverse (853602531), we get a palindrome (988808889).

The spelling of 135206358 in words is "one hundred thirty-five million, two hundred six thousand, three hundred fifty-eight".