134641523 has 2 divisors, whose sum is σ = 134641524. Its totient is φ = 134641522.

The previous prime is 134641477. The next prime is 134641583. The reversal of 134641523 is 325146431.

134641523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (325146431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134641523 - 2¹² = 134637427 is a prime.

It is equal to p_7626233 and since 134641523 and 7626233 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (134641583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67320761 + 67320762.

It is an arithmetic number, because the mean of its divisors is an integer number (67320762).

Almost surely, 2^134641523 is an apocalyptic number.

134641523 is a deficient number, since it is larger than the sum of its proper divisors (1).

134641523 is an equidigital number, since it uses as much as digits as its factorization.

134641523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 134641523 is about 11603.5133903486. The cubic root of 134641523 is about 512.5383170241.

Adding to 134641523 its reverse (325146431), we get a palindrome (459787954).

The spelling of 134641523 in words is "one hundred thirty-four million, six hundred forty-one thousand, five hundred twenty-three".