135369528 has 64 divisors (see below), whose sum is σ = 407136000. Its totient is φ = 36640512.

The previous prime is 135369511. The next prime is 135369539. The reversal of 135369528 is 825963531.

It is a super-2 number, since 2×135369528² = 36649818221885568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 135369528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18013 + ... + 24396.

It is an arithmetic number, because the mean of its divisors is an integer number (6361500).

Almost surely, 2^135369528 is an apocalyptic number.

It is an amenable number.

135369528 is an abundant number, since it is smaller than the sum of its proper divisors (271766472).

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

135369528 is a wasteful number, since it uses less digits than its factorization.

135369528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42444 (or 42440 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 135369528 is about 11634.8411248285. The cubic root of 135369528 is about 513.4604198004.

The spelling of 135369528 in words is "one hundred thirty-five million, three hundred sixty-nine thousand, five hundred twenty-eight".