134421306 has 16 divisors (see below), whose sum is σ = 270454464. Its totient is φ = 44538464.

The previous prime is 134421289. The next prime is 134421319. The reversal of 134421306 is 603124431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66075 + ... + 68078.

It is an arithmetic number, because the mean of its divisors is an integer number (16903404).

Almost surely, 2^134421306 is an apocalyptic number.

134421306 is an abundant number, since it is smaller than the sum of its proper divisors (136033158).

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

134421306 is a wasteful number, since it uses less digits than its factorization.

134421306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134325.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 134421306 is about 11594.0202690870. The cubic root of 134421306 is about 512.2587320447.

Adding to 134421306 its reverse (603124431), we get a palindrome (737545737).

The spelling of 134421306 in words is "one hundred thirty-four million, four hundred twenty-one thousand, three hundred six".