4135131203123 has 8 divisors (see below), whose sum is σ = 4278426310656. Its totient is φ = 3992455081800.

The previous prime is 4135131203113. The next prime is 4135131203141. The reversal of 4135131203123 is 3213021315314.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4135131203123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4135131203113) 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 7 ways as a sum of consecutive naturals, for example, 154732961 + ... + 154759682.

It is an arithmetic number, because the mean of its divisors is an integer number (534803288832).

Almost surely, 2^{4135131203123} is an apocalyptic number.

4135131203123 is a deficient number, since it is larger than the sum of its proper divisors (143295107533).

4135131203123 is a wasteful number, since it uses less digits than its factorization.

4135131203123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309493105.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 4135131203123 its reverse (3213021315314), we get a palindrome (7348152518437).

The spelling of 4135131203123 in words is "four trillion, one hundred thirty-five billion, one hundred thirty-one million, two hundred three thousand, one hundred twenty-three".