135636750 has 96 divisors (see below), whose sum is σ = 382853952. Its totient is φ = 34584000.

The previous prime is 135636719. The next prime is 135636751. The reversal of 135636750 is 57636531.

It is a happy number.

135636750 is a `hidden beast` number, since 13 + 5 + 636 + 7 + 5 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135636751) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50440 + ... + 53060.

It is an arithmetic number, because the mean of its divisors is an integer number (3988062).

Almost surely, 2^135636750 is an apocalyptic number.

135636750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135636750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191426976).

135636750 is an abundant number, since it is smaller than the sum of its proper divisors (247217202).

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

135636750 is a wasteful number, since it uses less digits than its factorization.

135636750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667 (or 2654 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 135636750 is about 11646.3191610053. The cubic root of 135636750 is about 513.7980579122.

The spelling of 135636750 in words is "one hundred thirty-five million, six hundred thirty-six thousand, seven hundred fifty".