1320131999959 has 8 divisors (see below), whose sum is σ = 1412196998688. Its totient is φ = 1229668131840.

The previous prime is 1320131999951. The next prime is 1320132000013. The reversal of 1320131999959 is 9599991310231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320131999959 - 2³ = 1320131999951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320131999897 and 1320131999906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320131999951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400280947 + ... + 400284244.

It is an arithmetic number, because the mean of its divisors is an integer number (176524624836).

Almost surely, 2^{1320131999959} is an apocalyptic number.

1320131999959 is a deficient number, since it is larger than the sum of its proper divisors (92064998729).

1320131999959 is an equidigital number, since it uses as much as digits as its factorization.

1320131999959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800565305.

The product of its (nonzero) digits is 5314410, while the sum is 61.

The spelling of 1320131999959 in words is "one trillion, three hundred twenty billion, one hundred thirty-one million, nine hundred ninety-nine thousand, nine hundred fifty-nine".