135636000 has 192 divisors, whose sum is σ = 452874240. Its totient is φ = 35481600.

The previous prime is 135635989. The next prime is 135636023. The reversal of 135636000 is 636531.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1067937 + ... + 1068063.

It is an arithmetic number, because the mean of its divisors is an integer number (2358720).

Almost surely, 2^135636000 is an apocalyptic number.

135636000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135636000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226437120).

135636000 is an abundant number, since it is smaller than the sum of its proper divisors (317238240).

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

135636000 is a wasteful number, since it uses less digits than its factorization.

135636000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 135636000 is about 11646.2869619463. The cubic root of 135636000 is about 513.7971108993.

The spelling of 135636000 in words is "one hundred thirty-five million, six hundred thirty-six thousand".