1320138882507 has 4 divisors (see below), whose sum is σ = 1760185176680. Its totient is φ = 880092588336.

The previous prime is 1320138882427. The next prime is 1320138882527. The reversal of 1320138882507 is 7052888310231.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1320138882507 - 2¹² = 1320138878411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320138882527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220023147082 + ... + 220023147087.

It is an arithmetic number, because the mean of its divisors is an integer number (440046294170).

Almost surely, 2^{1320138882507} is an apocalyptic number.

1320138882507 is a deficient number, since it is larger than the sum of its proper divisors (440046294173).

1320138882507 is an equidigital number, since it uses as much as digits as its factorization.

1320138882507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440046294172.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 1320138882507 in words is "one trillion, three hundred twenty billion, one hundred thirty-eight million, eight hundred eighty-two thousand, five hundred seven".