1312136342436 has 48 divisors (see below), whose sum is σ = 3094404036416. Its totient is φ = 432703309824.

The previous prime is 1312136342411. The next prime is 1312136342437. The reversal of 1312136342436 is 6342436312131.

It is a super-2 number, since 2×1312136342436² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1312136342394 and 1312136342403.

It is not an unprimeable number, because it can be changed into a prime (1312136342437) 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 15 ways as a sum of consecutive naturals, for example, 2830815 + ... + 3261561.

Almost surely, 2^{1312136342436} is an apocalyptic number.

It is an amenable number.

1312136342436 is an abundant number, since it is smaller than the sum of its proper divisors (1782267693980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312136342436 is a wasteful number, since it uses less digits than its factorization.

1312136342436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433468 (or 433466 counting only the distinct ones).

The product of its digits is 186624, while the sum is 39.

The spelling of 1312136342436 in words is "one trillion, three hundred twelve billion, one hundred thirty-six million, three hundred forty-two thousand, four hundred thirty-six".