135033750 has 80 divisors (see below), whose sum is σ = 375067440. Its totient is φ = 36000000.

The previous prime is 135033709. The next prime is 135033751. The reversal of 135033750 is 57330531.

It is a super-2 number, since 2×135033750² = 36468227278125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135033751) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 31750 + ... + 35750.

It is an arithmetic number, because the mean of its divisors is an integer number (4688343).

Almost surely, 2^135033750 is an apocalyptic number.

135033750 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 135033750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187533720).

135033750 is an abundant number, since it is smaller than the sum of its proper divisors (240033690).

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

135033750 is an equidigital number, since it uses as much as digits as its factorization.

135033750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032 (or 4011 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 27.

The square root of 135033750 is about 11620.4023166154. The cubic root of 135033750 is about 513.0355298397.

It can be divided in two parts, 1350 and 33750, that multiplied together give a square (45562500 = 6750²).

The spelling of 135033750 in words is "one hundred thirty-five million, thirty-three thousand, seven hundred fifty".