134145493 has 2 divisors, whose sum is σ = 134145494. Its totient is φ = 134145492.

The previous prime is 134145469. The next prime is 134145523. The reversal of 134145493 is 394541431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127080529 + 7064964 = 11273^2 + 2658^2 .

It is an emirp because it is prime and its reverse (394541431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134145493 - 2¹⁷ = 134014421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134145433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67072746 + 67072747.

It is an arithmetic number, because the mean of its divisors is an integer number (67072747).

Almost surely, 2^134145493 is an apocalyptic number.

It is an amenable number.

134145493 is a deficient number, since it is larger than the sum of its proper divisors (1).

134145493 is an equidigital number, since it uses as much as digits as its factorization.

134145493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 134145493 is about 11582.1195383229. The cubic root of 134145493 is about 511.9081319648.

The spelling of 134145493 in words is "one hundred thirty-four million, one hundred forty-five thousand, four hundred ninety-three".