135245568 has 72 divisors (see below), whose sum is σ = 361992400. Its totient is φ = 44826624.

The previous prime is 135245563. The next prime is 135245573. The reversal of 135245568 is 865542531.

It is an interprime number because it is at equal distance from previous prime (135245563) and next prime (135245573).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135245563) 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 7 ways as a sum of consecutive naturals, for example, 175488 + ... + 176256.

Almost surely, 2^135245568 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 135245568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180996200).

135245568 is an abundant number, since it is smaller than the sum of its proper divisors (226746832).

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

135245568 is an equidigital number, since it uses as much as digits as its factorization.

135245568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 1003 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 135245568 is about 11629.5128014891. The cubic root of 135245568 is about 513.3036440167.

The spelling of 135245568 in words is "one hundred thirty-five million, two hundred forty-five thousand, five hundred sixty-eight".