133150052 has 72 divisors (see below), whose sum is σ = 290871000. Its totient is φ = 52985856.

The previous prime is 133150037. The next prime is 133150093. The reversal of 133150052 is 250051331.

It can be written as a sum of positive squares in 4 ways, for example, as 23193856 + 109956196 = 4816^2 + 10486^2 .

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, 296324 + ... + 296772.

It is an arithmetic number, because the mean of its divisors is an integer number (4039875).

Almost surely, 2^133150052 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 133150052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145435500).

133150052 is an abundant number, since it is smaller than the sum of its proper divisors (157720948).

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

133150052 is a wasteful number, since it uses less digits than its factorization.

133150052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 133150052 is about 11539.0663400468. The cubic root of 133150052 is about 510.6387638983.

The spelling of 133150052 in words is "one hundred thirty-three million, one hundred fifty thousand, fifty-two".