134123404 has 24 divisors (see below), whose sum is σ = 249646320. Its totient is φ = 62831616.

The previous prime is 134123399. The next prime is 134123449. The reversal of 134123404 is 404321431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11092 + ... + 19780.

It is an arithmetic number, because the mean of its divisors is an integer number (10401930).

Almost surely, 2^134123404 is an apocalyptic number.

It is an amenable number.

134123404 is a deficient number, since it is larger than the sum of its proper divisors (115522916).

134123404 is a wasteful number, since it uses less digits than its factorization.

134123404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8937 (or 8935 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 134123404 is about 11581.1659171260. The cubic root of 134123404 is about 511.8800327242.

Adding to 134123404 its reverse (404321431), we get a palindrome (538444835).

The spelling of 134123404 in words is "one hundred thirty-four million, one hundred twenty-three thousand, four hundred four".