135243552 has 24 divisors (see below), whose sum is σ = 355014576. Its totient is φ = 45081152.

The previous prime is 135243541. The next prime is 135243553. The reversal of 135243552 is 255342531.

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 (135243553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704298 + ... + 704489.

It is an arithmetic number, because the mean of its divisors is an integer number (14792274).

Almost surely, 2^135243552 is an apocalyptic number.

135243552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135243552 is an abundant number, since it is smaller than the sum of its proper divisors (219771024).

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

135243552 is a wasteful number, since it uses less digits than its factorization.

135243552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408800 (or 1408792 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 135243552 is about 11629.4261251362. The cubic root of 135243552 is about 513.3010935319.

The spelling of 135243552 in words is "one hundred thirty-five million, two hundred forty-three thousand, five hundred fifty-two".