135525654 has 24 divisors (see below), whose sum is σ = 320333832. Its totient is φ = 41068320.

The previous prime is 135525647. The next prime is 135525679. The reversal of 135525654 is 456525531.

135525654 is a `hidden beast` number, since 1 + 3 + 552 + 56 + 54 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342039 + ... + 342434.

It is an arithmetic number, because the mean of its divisors is an integer number (13347243).

Almost surely, 2^135525654 is an apocalyptic number.

135525654 is an abundant number, since it is smaller than the sum of its proper divisors (184808178).

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

135525654 is a wasteful number, since it uses less digits than its factorization.

135525654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684492 (or 684489 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 135525654 is about 11641.5486083253. The cubic root of 135525654 is about 513.6577407279.

The spelling of 135525654 in words is "one hundred thirty-five million, five hundred twenty-five thousand, six hundred fifty-four".