135320064 has 80 divisors (see below), whose sum is σ = 393323040. Its totient is φ = 41000960.

The previous prime is 135320057. The next prime is 135320089. The reversal of 135320064 is 460023531.

It is a happy number.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 12892 + ... + 20900.

It is an arithmetic number, because the mean of its divisors is an integer number (4916538).

Almost surely, 2^135320064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135320064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196661520).

135320064 is an abundant number, since it is smaller than the sum of its proper divisors (258002976).

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

135320064 is an equidigital number, since it uses as much as digits as its factorization.

135320064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8041 (or 8025 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 135320064 is about 11632.7152462355. The cubic root of 135320064 is about 513.3978727347.

Adding to 135320064 its reverse (460023531), we get a palindrome (595343595).

The spelling of 135320064 in words is "one hundred thirty-five million, three hundred twenty thousand, sixty-four".