134320320 has 84 divisors (see below), whose sum is σ = 462015840. Its totient is φ = 35817984.

The previous prime is 134320309. The next prime is 134320363. The reversal of 134320320 is 23023431.

134320320 is a `hidden beast` number, since 1 + 343 + 2 + 0 + 320 = 666.

It is a super-3 number, since 3×134320320³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 134320293 and 134320302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20440 + ... + 26199.

Almost surely, 2^134320320 is an apocalyptic number.

134320320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134320320 is an abundant number, since it is smaller than the sum of its proper divisors (327695520).

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

134320320 is a wasteful number, since it uses less digits than its factorization.

134320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46662 (or 46649 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 134320320 is about 11589.6643609727. The cubic root of 134320320 is about 512.1304192501.

Adding to 134320320 its reverse (23023431), we get a palindrome (157343751).

The spelling of 134320320 in words is "one hundred thirty-four million, three hundred twenty thousand, three hundred twenty".