134239320 has 96 divisors (see below), whose sum is σ = 438160320. Its totient is φ = 35642880.

The previous prime is 134239309. The next prime is 134239349. The reversal of 134239320 is 23932431.

It is a happy number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100497 + ... + 101823.

It is an arithmetic number, because the mean of its divisors is an integer number (4564170).

Almost surely, 2^134239320 is an apocalyptic number.

134239320 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 134239320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219080160).

134239320 is an abundant number, since it is smaller than the sum of its proper divisors (303921000).

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

134239320 is a wasteful number, since it uses less digits than its factorization.

134239320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625 (or 1618 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 134239320 is about 11586.1693410721. The cubic root of 134239320 is about 512.0274541756.

The spelling of 134239320 in words is "one hundred thirty-four million, two hundred thirty-nine thousand, three hundred twenty".