133456315305 has 32 divisors (see below), whose sum is σ = 229009472640. Its totient is φ = 66158277120.

The previous prime is 133456315273. The next prime is 133456315327. The reversal of 133456315305 is 503513654331.

It is not a de Polignac number, because 133456315305 - 2⁵ = 133456315273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4402516 + ... + 4432725.

It is an arithmetic number, because the mean of its divisors is an integer number (7156546020).

Almost surely, 2^133456315305 is an apocalyptic number.

133456315305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133456315305 is a deficient number, since it is larger than the sum of its proper divisors (95553157335).

133456315305 is a wasteful number, since it uses less digits than its factorization.

133456315305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8835321.

The product of its (nonzero) digits is 243000, while the sum is 39.

Adding to 133456315305 its reverse (503513654331), we get a palindrome (636969969636).

The spelling of 133456315305 in words is "one hundred thirty-three billion, four hundred fifty-six million, three hundred fifteen thousand, three hundred five".