135823594500 has 240 divisors, whose sum is σ = 483412849920. Its totient is φ = 32926824000.

The previous prime is 135823594499. The next prime is 135823594523. The reversal of 135823594500 is 5495328531.

135823594500 is a `hidden beast` number, since 1 + 3 + 5 + 8 + 2 + 3 + 594 + 50 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 293061 + ... + 597939.

It is an arithmetic number, because the mean of its divisors is an integer number (2014220208).

Almost surely, 2^135823594500 is an apocalyptic number.

135823594500 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 135823594500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241706424960).

135823594500 is an abundant number, since it is smaller than the sum of its proper divisors (347589255420).

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

135823594500 is a wasteful number, since it uses less digits than its factorization.

135823594500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304921 (or 304900 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 135823594500 in words is "one hundred thirty-five billion, eight hundred twenty-three million, five hundred ninety-four thousand, five hundred".