134136123 has 24 divisors (see below), whose sum is σ = 197878464. Its totient is φ = 80760240.

The previous prime is 134136097. The next prime is 134136127. The reversal of 134136123 is 321631431.

It is a happy number.

It is not a de Polignac number, because 134136123 - 2⁵ = 134136091 is a prime.

It is a super-2 number, since 2×134136123² = 35984998986942258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134136093 and 134136102.

It is not an unprimeable number, because it can be changed into a prime (134136127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58036 + ... + 60302.

It is an arithmetic number, because the mean of its divisors is an integer number (8244936).

Almost surely, 2^134136123 is an apocalyptic number.

134136123 is a deficient number, since it is larger than the sum of its proper divisors (63742341).

134136123 is a wasteful number, since it uses less digits than its factorization.

134136123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455 (or 2444 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 134136123 is about 11581.7150284403. The cubic root of 134136123 is about 511.8962128393.

Adding to 134136123 its reverse (321631431), we get a palindrome (455767554).

The spelling of 134136123 in words is "one hundred thirty-four million, one hundred thirty-six thousand, one hundred twenty-three".