1320707403734 has 32 divisors (see below), whose sum is σ = 2137000270080. Its totient is φ = 610277719392.

The previous prime is 1320707403709. The next prime is 1320707403737. The reversal of 1320707403734 is 4373047070231.

It is a junction number, because it is equal to n+sod(n) for n = 1320707403691 and 1320707403700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320707403737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2255909 + ... + 2780384.

It is an arithmetic number, because the mean of its divisors is an integer number (66781258440).

Almost surely, 2^{1320707403734} is an apocalyptic number.

1320707403734 is a deficient number, since it is larger than the sum of its proper divisors (816292866346).

1320707403734 is a wasteful number, since it uses less digits than its factorization.

1320707403734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036484.

The product of its (nonzero) digits is 296352, while the sum is 41.

The spelling of 1320707403734 in words is "one trillion, three hundred twenty billion, seven hundred seven million, four hundred three thousand, seven hundred thirty-four".