133507928216 has 96 divisors (see below), whose sum is σ = 284896407600. Its totient is φ = 58298469120.

The previous prime is 133507928207. The next prime is 133507928249. The reversal of 133507928216 is 612829705331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35327015 + ... + 35330793.

Almost surely, 2^133507928216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133507928216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142448203800).

133507928216 is an abundant number, since it is smaller than the sum of its proper divisors (151388479384).

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

133507928216 is a wasteful number, since it uses less digits than its factorization.

133507928216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777 (or 4754 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 133507928216 in words is "one hundred thirty-three billion, five hundred seven million, nine hundred twenty-eight thousand, two hundred sixteen".