135525000 has 192 divisors, whose sum is σ = 459345600. Its totient is φ = 33120000.

The previous prime is 135524959. The next prime is 135525073. The reversal of 135525000 is 525531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 974931 + ... + 975069.

It is an arithmetic number, because the mean of its divisors is an integer number (2392425).

Almost surely, 2^135525000 is an apocalyptic number.

135525000 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 135525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229672800).

135525000 is an abundant number, since it is smaller than the sum of its proper divisors (323820600).

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

135525000 is a wasteful number, since it uses less digits than its factorization.

135525000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 135525000 is about 11641.5205192449. The cubic root of 135525000 is about 513.6569144816.

The spelling of 135525000 in words is "one hundred thirty-five million, five hundred twenty-five thousand".