135743544 has 96 divisors (see below), whose sum is σ = 386106240. Its totient is φ = 43027200.

The previous prime is 135743533. The next prime is 135743591. The reversal of 135743544 is 445347531.

135743544 is a `hidden beast` number, since 13 + 574 + 35 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 135743499 and 135743508.

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, 135654 + ... + 136650.

It is an arithmetic number, because the mean of its divisors is an integer number (4021940).

Almost surely, 2^135743544 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 135743544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193053120).

135743544 is an abundant number, since it is smaller than the sum of its proper divisors (250362696).

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

135743544 is a wasteful number, since it uses less digits than its factorization.

135743544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1094 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 135743544 is about 11650.9031409586. The cubic root of 135743544 is about 513.9328693486.

The spelling of 135743544 in words is "one hundred thirty-five million, seven hundred forty-three thousand, five hundred forty-four".