133941444 has 96 divisors (see below), whose sum is σ = 387421440. Its totient is φ = 35071488.

The previous prime is 133941427. The next prime is 133941449. The reversal of 133941444 is 444149331.

It is not an unprimeable number, because it can be changed into a prime (133941449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188562 + ... + 189270.

It is an arithmetic number, because the mean of its divisors is an integer number (4035640).

Almost surely, 2^133941444 is an apocalyptic number.

133941444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133941444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193710720).

133941444 is an abundant number, since it is smaller than the sum of its proper divisors (253479996).

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

133941444 is a wasteful number, since it uses less digits than its factorization.

133941444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 907 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 133941444 is about 11573.3073924440. The cubic root of 133941444 is about 511.6484453942.

The spelling of 133941444 in words is "one hundred thirty-three million, nine hundred forty-one thousand, four hundred forty-four".