13140232312005 has 32 divisors (see below), whose sum is σ = 23360969990400. Its totient is φ = 7007956802496.

The previous prime is 13140232311989. The next prime is 13140232312069. The reversal of 13140232312005 is 50021323204131.

13140232312005 is a `hidden beast` number, since 1 + 3 + 1 + 402 + 3 + 231 + 20 + 0 + 5 = 666.

It is not a de Polignac number, because 13140232312005 - 2⁴ = 13140232311989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 13140232312005.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 4629111 + ... + 6907179.

It is an arithmetic number, because the mean of its divisors is an integer number (730030312200).

Almost surely, 2^{13140232312005} is an apocalyptic number.

13140232312005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13140232312005 is a deficient number, since it is larger than the sum of its proper divisors (10220737678395).

13140232312005 is a wasteful number, since it uses less digits than its factorization.

13140232312005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320810 (or 2320804 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 13140232312005 its reverse (50021323204131), we get a palindrome (63161555516136).

The spelling of 13140232312005 in words is "thirteen trillion, one hundred forty billion, two hundred thirty-two million, three hundred twelve thousand, five".