134486213 has 2 divisors, whose sum is σ = 134486214. Its totient is φ = 134486212.

The previous prime is 134486207. The next prime is 134486227. The reversal of 134486213 is 312684431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126180289 + 8305924 = 11233^2 + 2882^2 .

It is a cyclic number.

It is not a de Polignac number, because 134486213 - 2¹⁶ = 134420677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134486213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134486113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67243106 + 67243107.

It is an arithmetic number, because the mean of its divisors is an integer number (67243107).

Almost surely, 2^134486213 is an apocalyptic number.

It is an amenable number.

134486213 is a deficient number, since it is larger than the sum of its proper divisors (1).

134486213 is an equidigital number, since it uses as much as digits as its factorization.

134486213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 134486213 is about 11596.8190897332. The cubic root of 134486213 is about 512.3411689449.

The spelling of 134486213 in words is "one hundred thirty-four million, four hundred eighty-six thousand, two hundred thirteen".