133134226636440 has 64 divisors (see below), whose sum is σ = 400169287928160. Its totient is φ = 35434317501440.

The previous prime is 133134226636421. The next prime is 133134226636519. The reversal of 133134226636440 is 44636622431331.

It is a self number, because there is not a number n which added to its sum of digits gives 133134226636440.

It is a congruent number.

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, 1064670579 + ... + 1064795618.

Almost surely, 2^{133134226636440} is an apocalyptic number.

133134226636440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133134226636440 is an abundant number, since it is smaller than the sum of its proper divisors (267035061291720).

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

133134226636440 is a wasteful number, since it uses less digits than its factorization.

133134226636440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129466732 (or 2129466728 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 48.

The spelling of 133134226636440 in words is "one hundred thirty-three trillion, one hundred thirty-four billion, two hundred twenty-six million, six hundred thirty-six thousand, four hundred forty".