133645414220 has 48 divisors (see below), whose sum is σ = 281794076928. Its totient is φ = 53241562560.

The previous prime is 133645414193. The next prime is 133645414297. The reversal of 133645414220 is 22414546331.

It is a super-2 number, since 2×133645414220² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7971887 + ... + 7988633.

It is an arithmetic number, because the mean of its divisors is an integer number (5870709936).

Almost surely, 2^133645414220 is an apocalyptic number.

133645414220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133645414220 is an abundant number, since it is smaller than the sum of its proper divisors (148148662708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133645414220 is a wasteful number, since it uses less digits than its factorization.

133645414220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18350 (or 18348 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 133645414220 in words is "one hundred thirty-three billion, six hundred forty-five million, four hundred fourteen thousand, two hundred twenty".