135443452 has 6 divisors (see below), whose sum is σ = 237026048. Its totient is φ = 67721724.

The previous prime is 135443443. The next prime is 135443453. The reversal of 135443452 is 254344531.

135443452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135443453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16930428 + ... + 16930435.

Almost surely, 2^135443452 is an apocalyptic number.

It is an amenable number.

135443452 is a deficient number, since it is larger than the sum of its proper divisors (101582596).

135443452 is a wasteful number, since it uses less digits than its factorization.

135443452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33860867 (or 33860865 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 135443452 is about 11638.0175287718. The cubic root of 135443452 is about 513.5538680611.

Adding to 135443452 its reverse (254344531), we get a palindrome (389787983).

The spelling of 135443452 in words is "one hundred thirty-five million, four hundred forty-three thousand, four hundred fifty-two".