134430320 has 80 divisors (see below), whose sum is σ = 334800000. Its totient is φ = 50045184.

The previous prime is 134430299. The next prime is 134430323. The reversal of 134430320 is 23034431.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 134430292 and 134430301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134430323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88931 + ... + 90429.

It is an arithmetic number, because the mean of its divisors is an integer number (4185000).

Almost surely, 2^134430320 is an apocalyptic number.

134430320 is a gapful number since it is divisible by the number (10) 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 134430320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167400000).

134430320 is an abundant number, since it is smaller than the sum of its proper divisors (200369680).

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

134430320 is a wasteful number, since it uses less digits than its factorization.

134430320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 134430320 is about 11594.4089974436. The cubic root of 134430320 is about 512.2701821070.

Adding to 134430320 its reverse (23034431), we get a palindrome (157464751).

The spelling of 134430320 in words is "one hundred thirty-four million, four hundred thirty thousand, three hundred twenty".