134343420 has 24 divisors (see below), whose sum is σ = 376161744. Its totient is φ = 35824896.

The previous prime is 134343403. The next prime is 134343439. The reversal of 134343420 is 24343431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119469 + ... + 1119588.

It is an arithmetic number, because the mean of its divisors is an integer number (15673406).

Almost surely, 2^134343420 is an apocalyptic number.

134343420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134343420 is an abundant number, since it is smaller than the sum of its proper divisors (241818324).

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

134343420 is a wasteful number, since it uses less digits than its factorization.

134343420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239069 (or 2239067 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 134343420 is about 11590.6608957384. The cubic root of 134343420 is about 512.1597757778.

Adding to 134343420 its reverse (24343431), we get a palindrome (158686851).

The spelling of 134343420 in words is "one hundred thirty-four million, three hundred forty-three thousand, four hundred twenty".