133711220160 has 336 divisors, whose sum is σ = 553277836800. Its totient is φ = 28953925632.

The previous prime is 133711220117. The next prime is 133711220161. The reversal of 133711220160 is 61022117331.

133711220160 is a `hidden beast` number, since 13 + 371 + 1 + 220 + 1 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133711220161) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 208501 + ... + 557579.

Almost surely, 2^133711220160 is an apocalyptic number.

133711220160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133711220160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276638918400).

133711220160 is an abundant number, since it is smaller than the sum of its proper divisors (419566616640).

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

133711220160 is a wasteful number, since it uses less digits than its factorization.

133711220160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349128 (or 349115 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

Adding to 133711220160 its reverse (61022117331), we get a palindrome (194733337491).

The spelling of 133711220160 in words is "one hundred thirty-three billion, seven hundred eleven million, two hundred twenty thousand, one hundred sixty".