134420306 has 4 divisors (see below), whose sum is σ = 201630462. Its totient is φ = 67210152.

The previous prime is 134420267. The next prime is 134420311. The reversal of 134420306 is 603024431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 74218225 + 60202081 = 8615^2 + 7759^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33605075 + ... + 33605078.

Almost surely, 2^134420306 is an apocalyptic number.

134420306 is a deficient number, since it is larger than the sum of its proper divisors (67210156).

134420306 is an equidigital number, since it uses as much as digits as its factorization.

134420306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67210155.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 134420306 is about 11593.9771433275. The cubic root of 134420306 is about 512.2574617599.

Adding to 134420306 its reverse (603024431), we get a palindrome (737444737).

The spelling of 134420306 in words is "one hundred thirty-four million, four hundred twenty thousand, three hundred six".