135625543 has 4 divisors (see below), whose sum is σ = 136437840. Its totient is φ = 134813248.

The previous prime is 135625531. The next prime is 135625561. The reversal of 135625543 is 345526531.

135625543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345526531 = 7 ⋅49360933.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135625543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135625499 and 135625508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135655543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405898 + ... + 406231.

It is an arithmetic number, because the mean of its divisors is an integer number (34109460).

Almost surely, 2^135625543 is an apocalyptic number.

135625543 is a deficient number, since it is larger than the sum of its proper divisors (812297).

135625543 is an equidigital number, since it uses as much as digits as its factorization.

135625543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812296.

The product of its digits is 54000, while the sum is 34.

The square root of 135625543 is about 11645.8380119251. The cubic root of 135625543 is about 513.7839066505.

The spelling of 135625543 in words is "one hundred thirty-five million, six hundred twenty-five thousand, five hundred forty-three".