135105436 has 12 divisors (see below), whose sum is σ = 236516112. Its totient is φ = 67529408.

The previous prime is 135105431. The next prime is 135105479. The reversal of 135105436 is 634501531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135105431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18441 + ... + 24703.

It is an arithmetic number, because the mean of its divisors is an integer number (19709676).

Almost surely, 2^135105436 is an apocalyptic number.

It is an amenable number.

135105436 is a deficient number, since it is larger than the sum of its proper divisors (101410676).

135105436 is a wasteful number, since it uses less digits than its factorization.

135105436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11660 (or 11658 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 135105436 is about 11623.4863960862. The cubic root of 135105436 is about 513.1262996382.

Adding to 135105436 its reverse (634501531), we get a palindrome (769606967).

The spelling of 135105436 in words is "one hundred thirty-five million, one hundred five thousand, four hundred thirty-six".