1320138882506 has 32 divisors (see below), whose sum is σ = 2032130073600. Its totient is φ = 642947011200.

The previous prime is 1320138882427. The next prime is 1320138882527. The reversal of 1320138882506 is 6052888310231.

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, 28131110 + ... + 28177998.

It is an arithmetic number, because the mean of its divisors is an integer number (63504064800).

Almost surely, 2^{1320138882506} is an apocalyptic number.

1320138882506 is a deficient number, since it is larger than the sum of its proper divisors (711991191094).

1320138882506 is a wasteful number, since it uses less digits than its factorization.

1320138882506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48854.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 1320138882506 in words is "one trillion, three hundred twenty billion, one hundred thirty-eight million, eight hundred eighty-two thousand, five hundred six".