135443306 has 4 divisors (see below), whose sum is σ = 203164962. Its totient is φ = 67721652.

The previous prime is 135443293. The next prime is 135443317. The reversal of 135443306 is 603344531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 603344531 = 9341 ⋅64591.

It can be written as a sum of positive squares in only one way, i.e., 134351281 + 1092025 = 11591^2 + 1045^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33860825 + ... + 33860828.

Almost surely, 2^135443306 is an apocalyptic number.

135443306 is a deficient number, since it is larger than the sum of its proper divisors (67721656).

135443306 is an equidigital number, since it uses as much as digits as its factorization.

135443306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67721655.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 135443306 is about 11638.0112562241. The cubic root of 135443306 is about 513.5536835342.

Adding to 135443306 its reverse (603344531), we get a palindrome (738787837).

The spelling of 135443306 in words is "one hundred thirty-five million, four hundred forty-three thousand, three hundred six".