134224397 has 4 divisors (see below), whose sum is σ = 135923520. Its totient is φ = 132525276.

The previous prime is 134224381. The next prime is 134224411. The reversal of 134224397 is 793422431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 793422431 = 227 ⋅3495253.

It is a cyclic number.

It is not a de Polignac number, because 134224397 - 2⁴ = 134224381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134224697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849443 + ... + 849600.

It is an arithmetic number, because the mean of its divisors is an integer number (33980880).

Almost surely, 2^134224397 is an apocalyptic number.

It is an amenable number.

134224397 is a deficient number, since it is larger than the sum of its proper divisors (1699123).

134224397 is an equidigital number, since it uses as much as digits as its factorization.

134224397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699122.

The product of its digits is 36288, while the sum is 35.

The square root of 134224397 is about 11585.5253225739. The cubic root of 134224397 is about 512.0084799316.

The spelling of 134224397 in words is "one hundred thirty-four million, two hundred twenty-four thousand, three hundred ninety-seven".