135543654 has 48 divisors (see below), whose sum is σ = 308694672. Its totient is φ = 42928704.

The previous prime is 135543619. The next prime is 135543719. The reversal of 135543654 is 456345531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26272 + ... + 31004.

It is an arithmetic number, because the mean of its divisors is an integer number (6431139).

Almost surely, 2^135543654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135543654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154347336).

135543654 is an abundant number, since it is smaller than the sum of its proper divisors (173151018).

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

135543654 is a wasteful number, since it uses less digits than its factorization.

135543654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821 (or 4818 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 135543654 is about 11642.3216756796. The cubic root of 135543654 is about 513.6804804079.

The spelling of 135543654 in words is "one hundred thirty-five million, five hundred forty-three thousand, six hundred fifty-four".