13123531133135 has 16 divisors (see below), whose sum is σ = 16670147012640. Its totient is φ = 9901057004160.

The previous prime is 13123531133131. The next prime is 13123531133213. The reversal of 13123531133135 is 53133113532131.

It is not a de Polignac number, because 13123531133135 - 2² = 13123531133131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13123531133095 and 13123531133104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123531133131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1052402036 + ... + 1052414505.

It is an arithmetic number, because the mean of its divisors is an integer number (1041884188290).

Almost surely, 2^{13123531133135} is an apocalyptic number.

13123531133135 is a deficient number, since it is larger than the sum of its proper divisors (3546615879505).

13123531133135 is a wasteful number, since it uses less digits than its factorization.

13123531133135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104816618.

The product of its digits is 36450, while the sum is 35.

Adding to 13123531133135 its reverse (53133113532131), we get a palindrome (66256644665266).

The spelling of 13123531133135 in words is "thirteen trillion, one hundred twenty-three billion, five hundred thirty-one million, one hundred thirty-three thousand, one hundred thirty-five".