135325543 has 18 divisors (see below), whose sum is σ = 147047712. Its totient is φ = 124515360.

The previous prime is 135325529. The next prime is 135325577. The reversal of 135325543 is 345523531.

It is not a de Polignac number, because 135325543 - 2²¹ = 133228391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135320543) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 606730 + ... + 606952.

Almost surely, 2^135325543 is an apocalyptic number.

135325543 is a deficient number, since it is larger than the sum of its proper divisors (11722169).

135325543 is an equidigital number, since it uses as much as digits as its factorization.

135325543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 283 counting only the distinct ones).

The product of its digits is 27000, while the sum is 31.

The square root of 135325543 is about 11632.9507434700. The cubic root of 135325543 is about 513.4048016628.

It can be divided in two parts, 1353 and 25543, that added together give a square (26896 = 164²).

The spelling of 135325543 in words is "one hundred thirty-five million, three hundred twenty-five thousand, five hundred forty-three".