133462220121645 has 32 divisors (see below), whose sum is σ = 227598058033920. Its totient is φ = 66549139737600.

The previous prime is 133462220121623. The next prime is 133462220121649. The reversal of 133462220121645 is 546121022264331.

It is not a de Polignac number, because 133462220121645 - 2⁵ = 133462220121613 is a prime.

It is a super-3 number, since 3×133462220121645³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133462220121597 and 133462220121606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133462220121649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1733012010 + ... + 1733089019.

It is an arithmetic number, because the mean of its divisors is an integer number (7112439313560).

Almost surely, 2^{133462220121645} is an apocalyptic number.

133462220121645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133462220121645 is a deficient number, since it is larger than the sum of its proper divisors (94135837912275).

133462220121645 is a wasteful number, since it uses less digits than its factorization.

133462220121645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466101205.

The product of its (nonzero) digits is 414720, while the sum is 42.

Adding to 133462220121645 its reverse (546121022264331), we get a palindrome (679583242385976).

The spelling of 133462220121645 in words is "one hundred thirty-three trillion, four hundred sixty-two billion, two hundred twenty million, one hundred twenty-one thousand, six hundred forty-five".