135422543 has 4 divisors (see below), whose sum is σ = 136064568. Its totient is φ = 134780520.

The previous prime is 135422537. The next prime is 135422563. The reversal of 135422543 is 345224531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135422543 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 (135422533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320696 + ... + 321117.

It is an arithmetic number, because the mean of its divisors is an integer number (34016142).

Almost surely, 2^135422543 is an apocalyptic number.

135422543 is a deficient number, since it is larger than the sum of its proper divisors (642025).

135422543 is an equidigital number, since it uses as much as digits as its factorization.

135422543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642024.

The product of its digits is 14400, while the sum is 29.

The square root of 135422543 is about 11637.1191881840. The cubic root of 135422543 is about 513.5274401798.

The spelling of 135422543 in words is "one hundred thirty-five million, four hundred twenty-two thousand, five hundred forty-three".