134423320 has 16 divisors (see below), whose sum is σ = 302452560. Its totient is φ = 53769312.

The previous prime is 134423273. The next prime is 134423353. The reversal of 134423320 is 23324431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 134423291 and 134423300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680252 + ... + 1680331.

It is an arithmetic number, because the mean of its divisors is an integer number (18903285).

Almost surely, 2^134423320 is an apocalyptic number.

134423320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134423320 is an abundant number, since it is smaller than the sum of its proper divisors (168029240).

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

134423320 is a wasteful number, since it uses less digits than its factorization.

134423320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360594 (or 3360590 counting only the distinct ones).

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

The square root of 134423320 is about 11594.1071238798. The cubic root of 134423320 is about 512.2612903790.

Adding to 134423320 its reverse (23324431), we get a palindrome (157747751).

The spelling of 134423320 in words is "one hundred thirty-four million, four hundred twenty-three thousand, three hundred twenty".