133309212144 has 20 divisors (see below), whose sum is σ = 344382131496. Its totient is φ = 44436404032.

The previous prime is 133309212139. The next prime is 133309212163. The reversal of 133309212144 is 441212903331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388637579 + ... + 1388637674.

Almost surely, 2^133309212144 is an apocalyptic number.

It is an amenable number.

133309212144 is an abundant number, since it is smaller than the sum of its proper divisors (211072919352).

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

133309212144 is a wasteful number, since it uses less digits than its factorization.

133309212144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777275264 (or 2777275258 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 133309212144 in words is "one hundred thirty-three billion, three hundred nine million, two hundred twelve thousand, one hundred forty-four".