135020064 has 24 divisors (see below), whose sum is σ = 354427920. Its totient is φ = 45006656.

The previous prime is 135020047. The next prime is 135020071. The reversal of 135020064 is 460020531.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 135020064.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703134 + ... + 703325.

It is an arithmetic number, because the mean of its divisors is an integer number (14767830).

Almost surely, 2^135020064 is an apocalyptic number.

It is an amenable number.

135020064 is an abundant number, since it is smaller than the sum of its proper divisors (219407856).

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

135020064 is a wasteful number, since it uses less digits than its factorization.

135020064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406472 (or 1406464 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 135020064 is about 11619.8134236312. The cubic root of 135020064 is about 513.0181967866.

Adding to 135020064 its reverse (460020531), we get a palindrome (595040595).

The spelling of 135020064 in words is "one hundred thirty-five million, twenty thousand, sixty-four".