13123970963138 has 16 divisors (see below), whose sum is σ = 22769299022400. Its totient is φ = 5556793212816.

The previous prime is 13123970963113. The next prime is 13123970963161. The reversal of 13123970963138 is 83136907932131.

It is a super-2 number, since 2×13123970963138² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 5647146413 + ... + 5647148736.

It is an arithmetic number, because the mean of its divisors is an integer number (1423081188900).

Almost surely, 2^{13123970963138} is an apocalyptic number.

13123970963138 is a deficient number, since it is larger than the sum of its proper divisors (9645328059262).

13123970963138 is a wasteful number, since it uses less digits than its factorization.

13123970963138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11294295241.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The spelling of 13123970963138 in words is "thirteen trillion, one hundred twenty-three billion, nine hundred seventy million, nine hundred sixty-three thousand, one hundred thirty-eight".