133233840545 has 16 divisors (see below), whose sum is σ = 173435910480. Its totient is φ = 97669899264.

The previous prime is 133233840539. The next prime is 133233840577. The reversal of 133233840545 is 545048332331.

It can be written as a sum of positive squares in 8 ways, for example, as 5773416289 + 127460424256 = 75983^2 + 357016^2 .

It is a cyclic number.

It is not a de Polignac number, because 133233840545 - 2²⁶ = 133166731681 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7471940 + ... + 7489749.

It is an arithmetic number, because the mean of its divisors is an integer number (10839744405).

Almost surely, 2^133233840545 is an apocalyptic number.

It is an amenable number.

133233840545 is a deficient number, since it is larger than the sum of its proper divisors (40202069935).

133233840545 is a wasteful number, since it uses less digits than its factorization.

133233840545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14961844.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 133233840545 in words is "one hundred thirty-three billion, two hundred thirty-three million, eight hundred forty thousand, five hundred forty-five".