134638320 has 80 divisors (see below), whose sum is σ = 435543552. Its totient is φ = 34341120.

The previous prime is 134638307. The next prime is 134638327. The reversal of 134638320 is 23836431.

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 (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134638327) 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, 6676 + ... + 17715.

Almost surely, 2^134638320 is an apocalyptic number.

134638320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134638320 is an abundant number, since it is smaller than the sum of its proper divisors (300905232).

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

134638320 is a wasteful number, since it uses less digits than its factorization.

134638320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24430 (or 24424 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 134638320 is about 11603.3753709858. The cubic root of 134638320 is about 512.5342527176.

The spelling of 134638320 in words is "one hundred thirty-four million, six hundred thirty-eight thousand, three hundred twenty".