135003636 has 72 divisors (see below), whose sum is σ = 355240704. Its totient is φ = 43182720.

The previous prime is 135003619. The next prime is 135003641. The reversal of 135003636 is 636300531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152451 + ... + 153333.

Almost surely, 2^135003636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135003636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177620352).

135003636 is an abundant number, since it is smaller than the sum of its proper divisors (220237068).

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

135003636 is a wasteful number, since it uses less digits than its factorization.

135003636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 135003636 is about 11619.1065060959. The cubic root of 135003636 is about 512.9973894969.

The spelling of 135003636 in words is "one hundred thirty-five million, three thousand, six hundred thirty-six".