133210838321851 has 4 divisors (see below), whose sum is σ = 133213544643312. Its totient is φ = 133208132000392.

The previous prime is 133210838321837. The next prime is 133210838321861. The reversal of 133210838321851 is 158123838012331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133210838321851 - 2⁹ = 133210838321339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133210838321795 and 133210838321804.

It is not an unprimeable number, because it can be changed into a prime (133210838321861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353086896 + ... + 1353185341.

It is an arithmetic number, because the mean of its divisors is an integer number (33303386160828).

Almost surely, 2^{133210838321851} is an apocalyptic number.

133210838321851 is a deficient number, since it is larger than the sum of its proper divisors (2706321461).

133210838321851 is an equidigital number, since it uses as much as digits as its factorization.

133210838321851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706321460.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 133210838321851 in words is "one hundred thirty-three trillion, two hundred ten billion, eight hundred thirty-eight million, three hundred twenty-one thousand, eight hundred fifty-one".