135528864 has 24 divisors (see below), whose sum is σ = 355763520. Its totient is φ = 45176256.

The previous prime is 135528863. The next prime is 135528893. The reversal of 135528864 is 468825531.

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

It is not an unprimeable number, because it can be changed into a prime (135528863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705784 + ... + 705975.

It is an arithmetic number, because the mean of its divisors is an integer number (14823480).

Almost surely, 2^135528864 is an apocalyptic number.

It is an amenable number.

135528864 is an abundant number, since it is smaller than the sum of its proper divisors (220234656).

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

135528864 is a wasteful number, since it uses less digits than its factorization.

135528864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411772 (or 1411764 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 135528864 is about 11641.6864757646. The cubic root of 135528864 is about 513.6617961183.

The spelling of 135528864 in words is "one hundred thirty-five million, five hundred twenty-eight thousand, eight hundred sixty-four".