134145523 has 2 divisors, whose sum is σ = 134145524. Its totient is φ = 134145522.

The previous prime is 134145493. The next prime is 134145533. The reversal of 134145523 is 325541431.

It is a strong prime.

It is an emirp because it is prime and its reverse (325541431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134145523 - 2¹³ = 134137331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134145491 and 134145500.

It is not a weakly prime, because it can be changed into another prime (134145533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67072761 + 67072762.

It is an arithmetic number, because the mean of its divisors is an integer number (67072762).

Almost surely, 2^134145523 is an apocalyptic number.

134145523 is a deficient number, since it is larger than the sum of its proper divisors (1).

134145523 is an equidigital number, since it uses as much as digits as its factorization.

134145523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 134145523 is about 11582.1208334225. The cubic root of 134145523 is about 511.9081701255.

Adding to 134145523 its reverse (325541431), we get a palindrome (459686954).

It can be divided in two parts, 1341 and 45523, that added together give a palindrome (46864).

The spelling of 134145523 in words is "one hundred thirty-four million, one hundred forty-five thousand, five hundred twenty-three".