134440220123 has 8 divisors (see below), whose sum is σ = 148671128496. Its totient is φ = 120544156800.

The previous prime is 134440220087. The next prime is 134440220137. The reversal of 134440220123 is 321022044431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134440220123 - 2²⁶ = 134373111259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134440220092 and 134440220101.

It is not an unprimeable number, because it can be changed into a prime (134440220143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83710418 + ... + 83712023.

It is an arithmetic number, because the mean of its divisors is an integer number (18583891062).

Almost surely, 2^134440220123 is an apocalyptic number.

134440220123 is a deficient number, since it is larger than the sum of its proper divisors (14230908373).

134440220123 is a wasteful number, since it uses less digits than its factorization.

134440220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167422525.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 134440220123 its reverse (321022044431), we get a palindrome (455462264554).

The spelling of 134440220123 in words is "one hundred thirty-four billion, four hundred forty million, two hundred twenty thousand, one hundred twenty-three".