134140213 has 2 divisors, whose sum is σ = 134140214. Its totient is φ = 134140212.

The previous prime is 134140199. The next prime is 134140243. The reversal of 134140213 is 312041431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89075844 + 45064369 = 9438^2 + 6713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134140213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134140243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67070106 + 67070107.

It is an arithmetic number, because the mean of its divisors is an integer number (67070107).

Almost surely, 2^134140213 is an apocalyptic number.

It is an amenable number.

134140213 is a deficient number, since it is larger than the sum of its proper divisors (1).

134140213 is an equidigital number, since it uses as much as digits as its factorization.

134140213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 134140213 is about 11581.8915985257. The cubic root of 134140213 is about 511.9014155995.

Adding to 134140213 its reverse (312041431), we get a palindrome (446181644).

The spelling of 134140213 in words is "one hundred thirty-four million, one hundred forty thousand, two hundred thirteen".