134243320 has 32 divisors (see below), whose sum is σ = 312465600. Its totient is φ = 51845248.

The previous prime is 134243311. The next prime is 134243359. The reversal of 134243320 is 23342431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 134243291 and 134243300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56704 + ... + 59023.

It is an arithmetic number, because the mean of its divisors is an integer number (9764550).

Almost surely, 2^134243320 is an apocalyptic number.

134243320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134243320 is an abundant number, since it is smaller than the sum of its proper divisors (178222280).

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

134243320 is a wasteful number, since it uses less digits than its factorization.

134243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115767 (or 115763 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 134243320 is about 11586.3419593934. The cubic root of 134243320 is about 512.0325398427.

Adding to 134243320 its reverse (23342431), we get a palindrome (157585751).

The spelling of 134243320 in words is "one hundred thirty-four million, two hundred forty-three thousand, three hundred twenty".