134002123 has 16 divisors (see below), whose sum is σ = 141571584. Its totient is φ = 126684000.

The previous prime is 134002103. The next prime is 134002129. The reversal of 134002123 is 321200431.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134002123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134002097 and 134002106.

It is not an unprimeable number, because it can be changed into a prime (134002129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436336 + ... + 436642.

It is an arithmetic number, because the mean of its divisors is an integer number (8848224).

Almost surely, 2^134002123 is an apocalyptic number.

134002123 is a deficient number, since it is larger than the sum of its proper divisors (7569461).

134002123 is a wasteful number, since it uses less digits than its factorization.

134002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 134002123 is about 11575.9286020604. The cubic root of 134002123 is about 511.7256971344.

Adding to 134002123 its reverse (321200431), we get a palindrome (455202554).

The spelling of 134002123 in words is "one hundred thirty-four million, two thousand, one hundred twenty-three".