135525717 has 48 divisors (see below), whose sum is σ = 219360960. Its totient is φ = 83296512.

The previous prime is 135525703. The next prime is 135525721. The reversal of 135525717 is 717525531.

It is a happy number.

135525717 is a `hidden beast` number, since 1 + 35 + 52 + 571 + 7 = 666.

135525717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135525717 - 2¹⁴ = 135509333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135525737) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 218634 + ... + 219252.

It is an arithmetic number, because the mean of its divisors is an integer number (4570020).

Almost surely, 2^135525717 is an apocalyptic number.

135525717 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

135525717 is a deficient number, since it is larger than the sum of its proper divisors (83835243).

135525717 is an equidigital number, since it uses as much as digits as its factorization.

135525717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 692 counting only the distinct ones).

The product of its digits is 36750, while the sum is 36.

The square root of 135525717 is about 11641.5513141505. The cubic root of 135525717 is about 513.6578203203.

It can be divided in two parts, 1355 and 25717, that added together give a palindrome (27072).

The spelling of 135525717 in words is "one hundred thirty-five million, five hundred twenty-five thousand, seven hundred seventeen".