1326388138132 has 12 divisors (see below), whose sum is σ = 2422100078496. Its totient is φ = 634359544280.

The previous prime is 1326388138129. The next prime is 1326388138157. The reversal of 1326388138132 is 2318318836231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7208631094 + ... + 7208631277.

It is an arithmetic number, because the mean of its divisors is an integer number (201841673208).

Almost surely, 2^{1326388138132} is an apocalyptic number.

It is an amenable number.

1326388138132 is a deficient number, since it is larger than the sum of its proper divisors (1095711940364).

1326388138132 is a wasteful number, since it uses less digits than its factorization.

1326388138132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14417262398 (or 14417262396 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The spelling of 1326388138132 in words is "one trillion, three hundred twenty-six billion, three hundred eighty-eight million, one hundred thirty-eight thousand, one hundred thirty-two".