135524543 has 12 divisors (see below), whose sum is σ = 171983592. Its totient is φ = 105603120.

The previous prime is 135524539. The next prime is 135524603. The reversal of 135524543 is 345425531.

It is a happy number.

It is not a de Polignac number, because 135524543 - 2² = 135524539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135524503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125180 + ... + 126257.

It is an arithmetic number, because the mean of its divisors is an integer number (14331966).

Almost surely, 2^135524543 is an apocalyptic number.

135524543 is a deficient number, since it is larger than the sum of its proper divisors (36459049).

135524543 is a wasteful number, since it uses less digits than its factorization.

135524543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251462 (or 251455 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 135524543 is about 11641.5008912081. The cubic root of 135524543 is about 513.6563371183.

The spelling of 135524543 in words is "one hundred thirty-five million, five hundred twenty-four thousand, five hundred forty-three".