133635366463420 has 24 divisors (see below), whose sum is σ = 295404494288400. Its totient is φ = 50640770449152.

The previous prime is 133635366463343. The next prime is 133635366463441. The reversal of 133635366463420 is 24364663536331.

It is a super-2 number, since 2×133635366463420² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175836008125 + ... + 175836008884.

It is an arithmetic number, because the mean of its divisors is an integer number (12308520595350).

Almost surely, 2^{133635366463420} is an apocalyptic number.

133635366463420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133635366463420 is an abundant number, since it is smaller than the sum of its proper divisors (161769127824980).

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

133635366463420 is a wasteful number, since it uses less digits than its factorization.

133635366463420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351672017037 (or 351672017035 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 55.

The spelling of 133635366463420 in words is "one hundred thirty-three trillion, six hundred thirty-five billion, three hundred sixty-six million, four hundred sixty-three thousand, four hundred twenty".