134502123 has 16 divisors (see below), whose sum is σ = 208431360. Its totient is φ = 75554976.

The previous prime is 134502107. The next prime is 134502127. The reversal of 134502123 is 321205431.

It is not a de Polignac number, because 134502123 - 2⁴ = 134502107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 134502123.

It is not an unprimeable number, because it can be changed into a prime (134502127) 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, 53040 + ... + 55517.

It is an arithmetic number, because the mean of its divisors is an integer number (13026960).

Almost surely, 2^134502123 is an apocalyptic number.

134502123 is a deficient number, since it is larger than the sum of its proper divisors (73929237).

134502123 is a wasteful number, since it uses less digits than its factorization.

134502123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108626.

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

The square root of 134502123 is about 11597.5050334113. The cubic root of 134502123 is about 512.3613718251.

Adding to 134502123 its reverse (321205431), we get a palindrome (455707554).

The spelling of 134502123 in words is "one hundred thirty-four million, five hundred two thousand, one hundred twenty-three".