134220347 has 8 divisors (see below), whose sum is σ = 137946480. Its totient is φ = 130515840.

The previous prime is 134220337. The next prime is 134220353. The reversal of 134220347 is 743022431.

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

It is a cyclic number.

It is not a de Polignac number, because 134220347 - 2⁶ = 134220283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134220337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7604 + ... + 18062.

It is an arithmetic number, because the mean of its divisors is an integer number (17243310).

Almost surely, 2^134220347 is an apocalyptic number.

134220347 is a deficient number, since it is larger than the sum of its proper divisors (3726133).

134220347 is a wasteful number, since it uses less digits than its factorization.

134220347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10813.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 134220347 is about 11585.3505341876. The cubic root of 134220347 is about 512.0033302091.

Adding to 134220347 its reverse (743022431), we get a palindrome (877242778).

The spelling of 134220347 in words is "one hundred thirty-four million, two hundred twenty thousand, three hundred forty-seven".