134201328 has 80 divisors (see below), whose sum is σ = 361063200. Its totient is φ = 42900480.

The previous prime is 134201321. The next prime is 134201339. The reversal of 134201328 is 823102431.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 134201298 and 134201307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134201321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318558 + ... + 318978.

It is an arithmetic number, because the mean of its divisors is an integer number (4513290).

Almost surely, 2^134201328 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 134201328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180531600).

134201328 is an abundant number, since it is smaller than the sum of its proper divisors (226861872).

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

134201328 is a wasteful number, since it uses less digits than its factorization.

134201328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 134201328 is about 11584.5296840226. The cubic root of 134201328 is about 511.9791454722.

Adding to 134201328 its reverse (823102431), we get a palindrome (957303759).

The spelling of 134201328 in words is "one hundred thirty-four million, two hundred one thousand, three hundred twenty-eight".