133021152305 has 32 divisors (see below), whose sum is σ = 169475423904. Its totient is φ = 99884793856.

The previous prime is 133021152293. The next prime is 133021152331. The reversal of 133021152305 is 503251120331.

It can be written as a sum of positive squares in 16 ways, for example, as 10078352881 + 122942799424 = 100391^2 + 350632^2 .

It is a cyclic number.

It is not a de Polignac number, because 133021152305 - 2⁸ = 133021152049 is a prime.

It is a Duffinian number.

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, 78385217 + ... + 78386913.

It is an arithmetic number, because the mean of its divisors is an integer number (5296106997).

Almost surely, 2^133021152305 is an apocalyptic number.

It is an amenable number.

133021152305 is a deficient number, since it is larger than the sum of its proper divisors (36454271599).

133021152305 is a wasteful number, since it uses less digits than its factorization.

133021152305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 133021152305 its reverse (503251120331), we get a palindrome (636272272636).

The spelling of 133021152305 in words is "one hundred thirty-three billion, twenty-one million, one hundred fifty-two thousand, three hundred five".