133150542 has 128 divisors (see below), whose sum is σ = 338688000. Its totient is φ = 34771968.

The previous prime is 133150529. The next prime is 133150547. The reversal of 133150542 is 245051331.

133150542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133150547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1372638 + ... + 1372734.

It is an arithmetic number, because the mean of its divisors is an integer number (2646000).

Almost surely, 2^133150542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133150542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169344000).

133150542 is an abundant number, since it is smaller than the sum of its proper divisors (205537458).

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

133150542 is a wasteful number, since it uses less digits than its factorization.

133150542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 133150542 is about 11539.0875722476. The cubic root of 133150542 is about 510.6393902910.

The spelling of 133150542 in words is "one hundred thirty-three million, one hundred fifty thousand, five hundred forty-two".