133511430332 has 144 divisors (see below), whose sum is σ = 283159447200. Its totient is φ = 54877036032.

The previous prime is 133511430329. The next prime is 133511430361. The reversal of 133511430332 is 233034115331.

It is a junction number, because it is equal to n+sod(n) for n = 133511430295 and 133511430304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169645643 + ... + 169646429.

It is an arithmetic number, because the mean of its divisors is an integer number (1966385050).

Almost surely, 2^133511430332 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 133511430332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141579723600).

133511430332 is an abundant number, since it is smaller than the sum of its proper divisors (149648016868).

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

133511430332 is a wasteful number, since it uses less digits than its factorization.

133511430332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 133511430332 its reverse (233034115331), we get a palindrome (366545545663).

The spelling of 133511430332 in words is "one hundred thirty-three billion, five hundred eleven million, four hundred thirty thousand, three hundred thirty-two".