134230813 has 2 divisors, whose sum is σ = 134230814. Its totient is φ = 134230812.

The previous prime is 134230799. The next prime is 134230849. The reversal of 134230813 is 318032431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80604484 + 53626329 = 8978^2 + 7323^2 .

It is a cyclic number.

It is not a de Polignac number, because 134230813 - 2⁵ = 134230781 is a prime.

It is a super-3 number, since 3×134230813³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134230883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67115406 + 67115407.

It is an arithmetic number, because the mean of its divisors is an integer number (67115407).

Almost surely, 2^134230813 is an apocalyptic number.

It is an amenable number.

134230813 is a deficient number, since it is larger than the sum of its proper divisors (1).

134230813 is an equidigital number, since it uses as much as digits as its factorization.

134230813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 134230813 is about 11585.8022165062. The cubic root of 134230813 is about 512.0166378972.

The spelling of 134230813 in words is "one hundred thirty-four million, two hundred thirty thousand, eight hundred thirteen".