133522233505 has 4 divisors (see below), whose sum is σ = 160226680212. Its totient is φ = 106817786800.

The previous prime is 133522233497. The next prime is 133522233511. The reversal of 133522233505 is 505332225331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53165291776 + 80356941729 = 230576^2 + 283473^2 .

It is not a de Polignac number, because 133522233505 - 2³ = 133522233497 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, 13352223346 + ... + 13352223355.

It is an arithmetic number, because the mean of its divisors is an integer number (40056670053).

Almost surely, 2^133522233505 is an apocalyptic number.

It is an amenable number.

133522233505 is a deficient number, since it is larger than the sum of its proper divisors (26704446707).

133522233505 is an equidigital number, since it uses as much as digits as its factorization.

133522233505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26704446706.

The product of its (nonzero) digits is 81000, while the sum is 34.

Adding to 133522233505 its reverse (505332225331), we get a palindrome (638854458836).

The spelling of 133522233505 in words is "one hundred thirty-three billion, five hundred twenty-two million, two hundred thirty-three thousand, five hundred five".