134214389 has 2 divisors, whose sum is σ = 134214390. Its totient is φ = 134214388.

The previous prime is 134214343. The next prime is 134214413. The reversal of 134214389 is 983412431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132135025 + 2079364 = 11495^2 + 1442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134214389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134214089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67107194 + 67107195.

It is an arithmetic number, because the mean of its divisors is an integer number (67107195).

Almost surely, 2^134214389 is an apocalyptic number.

It is an amenable number.

134214389 is a deficient number, since it is larger than the sum of its proper divisors (1).

134214389 is an equidigital number, since it uses as much as digits as its factorization.

134214389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 134214389 is about 11585.0933962571. The cubic root of 134214389 is about 511.9957542067.

The spelling of 134214389 in words is "one hundred thirty-four million, two hundred fourteen thousand, three hundred eighty-nine".