135211635 has 24 divisors (see below), whose sum is σ = 252396144. Its totient is φ = 66565440.

The previous prime is 135211633. The next prime is 135211649. The reversal of 135211635 is 536112531.

135211635 is a `hidden beast` number, since 1 + 3 + 5 + 21 + 1 + 635 = 666.

It is not a de Polignac number, because 135211635 - 2¹ = 135211633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135211599 and 135211608.

It is not an unprimeable number, because it can be changed into a prime (135211631) 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 23 ways as a sum of consecutive naturals, for example, 114981 + ... + 116150.

It is an arithmetic number, because the mean of its divisors is an integer number (10516506).

Almost surely, 2^135211635 is an apocalyptic number.

135211635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135211635 is a deficient number, since it is larger than the sum of its proper divisors (117184509).

135211635 is a wasteful number, since it uses less digits than its factorization.

135211635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231155 (or 231152 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 135211635 is about 11628.0537924452. The cubic root of 135211635 is about 513.2607112741.

The spelling of 135211635 in words is "one hundred thirty-five million, two hundred eleven thousand, six hundred thirty-five".