133160544 has 96 divisors (see below), whose sum is σ = 423722880. Its totient is φ = 40348800.

The previous prime is 133160519. The next prime is 133160597. The reversal of 133160544 is 445061331.

133160544 is a `hidden beast` number, since 13 + 3 + 1 + 605 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2499 + ... + 16509.

It is an arithmetic number, because the mean of its divisors is an integer number (4413780).

Almost surely, 2^133160544 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 133160544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211861440).

133160544 is an abundant number, since it is smaller than the sum of its proper divisors (290562336).

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

133160544 is a wasteful number, since it uses less digits than its factorization.

133160544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14041 (or 14027 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 133160544 is about 11539.5209605945. The cubic root of 133160544 is about 510.6521760377.

The spelling of 133160544 in words is "one hundred thirty-three million, one hundred sixty thousand, five hundred forty-four".