134120523 has 16 divisors (see below), whose sum is σ = 185459456. Its totient is φ = 86145120.

The previous prime is 134120473. The next prime is 134120527. The reversal of 134120523 is 325021431.

It is not a de Polignac number, because 134120523 - 2⁸ = 134120267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134120523.

It is not an unprimeable number, because it can be changed into a prime (134120527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5568 + ... + 17298.

It is an arithmetic number, because the mean of its divisors is an integer number (11591216).

Almost surely, 2^134120523 is an apocalyptic number.

134120523 is a deficient number, since it is larger than the sum of its proper divisors (51338933).

134120523 is a wasteful number, since it uses less digits than its factorization.

134120523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11874.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 134120523 is about 11581.0415334718. The cubic root of 134120523 is about 511.8763675997.

Adding to 134120523 its reverse (325021431), we get a palindrome (459141954).

The spelling of 134120523 in words is "one hundred thirty-four million, one hundred twenty thousand, five hundred twenty-three".