1312837334138 has 32 divisors (see below), whose sum is σ = 2187576927360. Its totient is φ = 585897984000.

The previous prime is 1312837334087. The next prime is 1312837334141. The reversal of 1312837334138 is 8314337382131.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1312837334092 and 1312837334101.

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 15 ways as a sum of consecutive naturals, for example, 1367303 + ... + 2120186.

It is an arithmetic number, because the mean of its divisors is an integer number (68361778980).

Almost surely, 2^{1312837334138} is an apocalyptic number.

1312837334138 is a deficient number, since it is larger than the sum of its proper divisors (874739593222).

1312837334138 is a wasteful number, since it uses less digits than its factorization.

1312837334138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487814.

The product of its digits is 870912, while the sum is 47.

The spelling of 1312837334138 in words is "one trillion, three hundred twelve billion, eight hundred thirty-seven million, three hundred thirty-four thousand, one hundred thirty-eight".