133502513213321 has 16 divisors (see below), whose sum is σ = 160663769410560. Its totient is φ = 108368067332880.

The previous prime is 133502513213257. The next prime is 133502513213351. The reversal of 133502513213321 is 123312315205331.

It is a cyclic number.

It is not a de Polignac number, because 133502513213321 - 2⁶ = 133502513213257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133502513213351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184770071 + ... + 185491196.

It is an arithmetic number, because the mean of its divisors is an integer number (10041485588160).

Almost surely, 2^{133502513213321} is an apocalyptic number.

It is an amenable number.

133502513213321 is a deficient number, since it is larger than the sum of its proper divisors (27161256197239).

133502513213321 is a wasteful number, since it uses less digits than its factorization.

133502513213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370264004.

The product of its (nonzero) digits is 48600, while the sum is 35.

Adding to 133502513213321 its reverse (123312315205331), we get a palindrome (256814828418652).

The spelling of 133502513213321 in words is "one hundred thirty-three trillion, five hundred two billion, five hundred thirteen million, two hundred thirteen thousand, three hundred twenty-one".