135443044355 has 4 divisors (see below), whose sum is σ = 162531653232. Its totient is φ = 108354435480.

The previous prime is 135443044313. The next prime is 135443044361. The reversal of 135443044355 is 553440344531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553440344531 = 163 ⋅3395339537.

It is not a de Polignac number, because 135443044355 - 2²⁰ = 135441995779 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13544304431 + ... + 13544304440.

It is an arithmetic number, because the mean of its divisors is an integer number (40632913308).

Almost surely, 2^135443044355 is an apocalyptic number.

135443044355 is a deficient number, since it is larger than the sum of its proper divisors (27088608877).

135443044355 is an equidigital number, since it uses as much as digits as its factorization.

135443044355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27088608876.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 135443044355 its reverse (553440344531), we get a palindrome (688883388886).

The spelling of 135443044355 in words is "one hundred thirty-five billion, four hundred forty-three million, forty-four thousand, three hundred fifty-five".