134140123103 has 4 divisors (see below), whose sum is σ = 153302997840. Its totient is φ = 114977248368.

The previous prime is 134140123097. The next prime is 134140123111. The reversal of 134140123103 is 301321041431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134140123103 - 2²⁰ = 134139074527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134140123163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9581437358 + ... + 9581437371.

It is an arithmetic number, because the mean of its divisors is an integer number (38325749460).

Almost surely, 2^134140123103 is an apocalyptic number.

134140123103 is a deficient number, since it is larger than the sum of its proper divisors (19162874737).

134140123103 is an equidigital number, since it uses as much as digits as its factorization.

134140123103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19162874736.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 134140123103 its reverse (301321041431), we get a palindrome (435461164534).

The spelling of 134140123103 in words is "one hundred thirty-four billion, one hundred forty million, one hundred twenty-three thousand, one hundred three".