133213330545 has 32 divisors (see below), whose sum is σ = 219054505728. Its totient is φ = 69078728448.

The previous prime is 133213330531. The next prime is 133213330571. The reversal of 133213330545 is 545033312331.

It is not a de Polignac number, because 133213330545 - 2¹¹ = 133213328497 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, 720147 + ... + 886023.

It is an arithmetic number, because the mean of its divisors is an integer number (6845453304).

Almost surely, 2^133213330545 is an apocalyptic number.

133213330545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133213330545 is a deficient number, since it is larger than the sum of its proper divisors (85841175183).

133213330545 is a wasteful number, since it uses less digits than its factorization.

133213330545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167369.

The product of its (nonzero) digits is 48600, while the sum is 33.

Adding to 133213330545 its reverse (545033312331), we get a palindrome (678246642876).

The spelling of 133213330545 in words is "one hundred thirty-three billion, two hundred thirteen million, three hundred thirty thousand, five hundred forty-five".