1320000132960 has 144 divisors (see below), whose sum is σ = 4508419668480. Its totient is φ = 351693772800.

The previous prime is 1320000132943. The next prime is 1320000132977. The reversal of 1320000132960 is 692310000231.

It is an interprime number because it is at equal distance from previous prime (1320000132943) and next prime (1320000132977).

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1259236 + ... + 2055644.

It is an arithmetic number, because the mean of its divisors is an integer number (31308469920).

Almost surely, 2^{1320000132960} is an apocalyptic number.

1320000132960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320000132960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2254209834240).

1320000132960 is an abundant number, since it is smaller than the sum of its proper divisors (3188419535520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320000132960 is a wasteful number, since it uses less digits than its factorization.

1320000132960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797581 (or 797570 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 1320000132960 in words is "one trillion, three hundred twenty billion, one hundred thirty-two thousand, nine hundred sixty".