134719523 has 2 divisors, whose sum is σ = 134719524. Its totient is φ = 134719522.

The previous prime is 134719511. The next prime is 134719561. The reversal of 134719523 is 325917431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134719523 - 2⁸ = 134719267 is a prime.

It is not a weakly prime, because it can be changed into another prime (134719423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67359761 + 67359762.

It is an arithmetic number, because the mean of its divisors is an integer number (67359762).

Almost surely, 2^134719523 is an apocalyptic number.

134719523 is a deficient number, since it is larger than the sum of its proper divisors (1).

134719523 is an equidigital number, since it uses as much as digits as its factorization.

134719523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 134719523 is about 11606.8739546874. The cubic root of 134719523 is about 512.6372718150.

The spelling of 134719523 in words is "one hundred thirty-four million, seven hundred nineteen thousand, five hundred twenty-three".