134406253 has 2 divisors, whose sum is σ = 134406254. Its totient is φ = 134406252.

The previous prime is 134406211. The next prime is 134406257. The reversal of 134406253 is 352604431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111576969 + 22829284 = 10563^2 + 4778^2 .

It is an emirp because it is prime and its reverse (352604431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134406253 - 2⁹ = 134405741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134406257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67203126 + 67203127.

It is an arithmetic number, because the mean of its divisors is an integer number (67203127).

Almost surely, 2^134406253 is an apocalyptic number.

It is an amenable number.

134406253 is a deficient number, since it is larger than the sum of its proper divisors (1).

134406253 is an equidigital number, since it uses as much as digits as its factorization.

134406253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 134406253 is about 11593.3710800612. The cubic root of 134406253 is about 512.2396097820.

The spelling of 134406253 in words is "one hundred thirty-four million, four hundred six thousand, two hundred fifty-three".