135488943 has 20 divisors (see below), whose sum is σ = 213051960. Its totient is φ = 85570992.

The previous prime is 135488939. The next prime is 135488971. The reversal of 135488943 is 349884531.

135488943 is a `hidden beast` number, since 13 + 548 + 8 + 94 + 3 = 666.

135488943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135488943 - 2² = 135488939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135488923) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42480 + ... + 45557.

It is an arithmetic number, because the mean of its divisors is an integer number (10652598).

Almost surely, 2^135488943 is an apocalyptic number.

135488943 is a deficient number, since it is larger than the sum of its proper divisors (77563017).

135488943 is an equidigital number, since it uses as much as digits as its factorization.

135488943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88068 (or 88059 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 135488943 is about 11639.9717783163. The cubic root of 135488943 is about 513.6113569089.

The spelling of 135488943 in words is "one hundred thirty-five million, four hundred eighty-eight thousand, nine hundred forty-three".