135525726 has 24 divisors (see below), whose sum is σ = 335587824. Its totient is φ = 38721600.

The previous prime is 135525721. The next prime is 135525737. The reversal of 135525726 is 627525531.

135525726 is a `hidden beast` number, since 1 + 35 + 52 + 572 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135525721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537675 + ... + 537926.

It is an arithmetic number, because the mean of its divisors is an integer number (13982826).

Almost surely, 2^135525726 is an apocalyptic number.

135525726 is an abundant number, since it is smaller than the sum of its proper divisors (200062098).

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

135525726 is a wasteful number, since it uses less digits than its factorization.

135525726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075616 (or 1075613 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 135525726 is about 11641.5517006969. The cubic root of 135525726 is about 513.6578316906.

The spelling of 135525726 in words is "one hundred thirty-five million, five hundred twenty-five thousand, seven hundred twenty-six".