133151273312 has 72 divisors (see below), whose sum is σ = 270386156376. Its totient is φ = 64507200000.

The previous prime is 133151273309. The next prime is 133151273323. The reversal of 133151273312 is 213372151331.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29912687 + ... + 29917137.

It is an arithmetic number, because the mean of its divisors is an integer number (3755363283).

Almost surely, 2^133151273312 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 133151273312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135193078188).

133151273312 is an abundant number, since it is smaller than the sum of its proper divisors (137234883064).

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

133151273312 is an equidigital number, since it uses as much as digits as its factorization.

133151273312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804 (or 4645 counting only the distinct ones).

The product of its digits is 11340, while the sum is 32.

The spelling of 133151273312 in words is "one hundred thirty-three billion, one hundred fifty-one million, two hundred seventy-three thousand, three hundred twelve".