134331444 has 72 divisors (see below), whose sum is σ = 384951840. Its totient is φ = 39154752.

The previous prime is 134331443. The next prime is 134331469. The reversal of 134331444 is 444133431.

134331444 is a `hidden beast` number, since 1 + 343 + 314 + 4 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134331443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1339 + ... + 16445.

Almost surely, 2^134331444 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 134331444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192475920).

134331444 is an abundant number, since it is smaller than the sum of its proper divisors (250620396).

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

134331444 is a wasteful number, since it uses less digits than its factorization.

134331444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15149 (or 15144 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 134331444 is about 11590.1442613973. The cubic root of 134331444 is about 512.1445565539.

Adding to 134331444 its reverse (444133431), we get a palindrome (578464875).

The spelling of 134331444 in words is "one hundred thirty-four million, three hundred thirty-one thousand, four hundred forty-four".