135751543 has 16 divisors (see below), whose sum is σ = 144239040. Its totient is φ = 127505664.

The previous prime is 135751493. The next prime is 135751547. The reversal of 135751543 is 345157531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135751543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135751499 and 135751508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135751547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433555 + ... + 433867.

It is an arithmetic number, because the mean of its divisors is an integer number (9014940).

Almost surely, 2^135751543 is an apocalyptic number.

135751543 is a deficient number, since it is larger than the sum of its proper divisors (8487497).

135751543 is a wasteful number, since it uses less digits than its factorization.

135751543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618.

The product of its digits is 31500, while the sum is 34.

The square root of 135751543 is about 11651.2464140108. The cubic root of 135751543 is about 513.9429640417.

It can be divided in two parts, 1357 and 51543, that added together give a square (52900 = 230²).

The spelling of 135751543 in words is "one hundred thirty-five million, seven hundred fifty-one thousand, five hundred forty-three".