134214257 has 2 divisors, whose sum is σ = 134214258. Its totient is φ = 134214256.

The previous prime is 134214251. The next prime is 134214259. The reversal of 134214257 is 752412431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92236816 + 41977441 = 9604^2 + 6479^2 .

It is an emirp because it is prime and its reverse (752412431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134214257 - 2¹⁴ = 134197873 is a prime.

Together with 134214259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134214251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67107128 + 67107129.

It is an arithmetic number, because the mean of its divisors is an integer number (67107129).

Almost surely, 2^134214257 is an apocalyptic number.

It is an amenable number.

134214257 is a deficient number, since it is larger than the sum of its proper divisors (1).

134214257 is an equidigital number, since it uses as much as digits as its factorization.

134214257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 134214257 is about 11585.0876992796. The cubic root of 134214257 is about 511.9955863572.

Adding to 134214257 its reverse (752412431), we get a palindrome (886626688).

The spelling of 134214257 in words is "one hundred thirty-four million, two hundred fourteen thousand, two hundred fifty-seven".