133031435152 has 120 divisors (see below), whose sum is σ = 327299006880. Its totient is φ = 51796846080.

The previous prime is 133031435123. The next prime is 133031435179. The reversal of 133031435152 is 251534130331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16441924 + ... + 16450012.

It is an arithmetic number, because the mean of its divisors is an integer number (2727491724).

Almost surely, 2^133031435152 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 133031435152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163649503440).

133031435152 is an abundant number, since it is smaller than the sum of its proper divisors (194267571728).

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

133031435152 is a wasteful number, since it uses less digits than its factorization.

133031435152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10029 (or 10016 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 133031435152 its reverse (251534130331), we get a palindrome (384565565483).

The spelling of 133031435152 in words is "one hundred thirty-three billion, thirty-one million, four hundred thirty-five thousand, one hundred fifty-two".