134818523 has 4 divisors (see below), whose sum is σ = 154078320. Its totient is φ = 115558728.

The previous prime is 134818493. The next prime is 134818531. The reversal of 134818523 is 325818431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325818431 = 41 ⋅7946791.

It is a cyclic number.

It is not a de Polignac number, because 134818523 - 2⁸ = 134818267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134818553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9629888 + ... + 9629901.

It is an arithmetic number, because the mean of its divisors is an integer number (38519580).

Almost surely, 2^134818523 is an apocalyptic number.

134818523 is a deficient number, since it is larger than the sum of its proper divisors (19259797).

134818523 is an equidigital number, since it uses as much as digits as its factorization.

134818523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19259796.

The product of its digits is 23040, while the sum is 35.

The square root of 134818523 is about 11611.1378856682. The cubic root of 134818523 is about 512.7628132911.

The spelling of 134818523 in words is "one hundred thirty-four million, eight hundred eighteen thousand, five hundred twenty-three".