134420406 has 8 divisors (see below), whose sum is σ = 268840824. Its totient is φ = 44806800.

The previous prime is 134420399. The next prime is 134420443. The reversal of 134420406 is 604024431.

It is a sphenic number, since it is the product of 3 distinct primes.

134420406 is an admirable number.

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, 11201695 + ... + 11201706.

It is an arithmetic number, because the mean of its divisors is an integer number (33605103).

Almost surely, 2^134420406 is an apocalyptic number.

134420406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

134420406 is a wasteful number, since it uses less digits than its factorization.

134420406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22403406.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 134420406 is about 11593.9814559106. The cubic root of 134420406 is about 512.2575887887.

Adding to 134420406 its reverse (604024431), we get a palindrome (738444837).

The spelling of 134420406 in words is "one hundred thirty-four million, four hundred twenty thousand, four hundred six".