135638358 has 16 divisors (see below), whose sum is σ = 271434240. Its totient is φ = 45186536.

The previous prime is 135638341. The next prime is 135638389. The reversal of 135638358 is 853836531.

It is a super-3 number, since 3×135638358³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 6691 + ... + 17777.

It is an arithmetic number, because the mean of its divisors is an integer number (16964640).

Almost surely, 2^135638358 is an apocalyptic number.

135638358 is an abundant number, since it is smaller than the sum of its proper divisors (135795882).

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

135638358 is a wasteful number, since it uses less digits than its factorization.

135638358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13131.

The product of its digits is 259200, while the sum is 42.

The square root of 135638358 is about 11646.3881954879. The cubic root of 135638358 is about 513.8000882961.

The spelling of 135638358 in words is "one hundred thirty-five million, six hundred thirty-eight thousand, three hundred fifty-eight".