1353920720730 has 64 divisors (see below), whose sum is σ = 3253539270528. Its totient is φ = 360586983680.

The previous prime is 1353920720671. The next prime is 1353920720749. The reversal of 1353920720730 is 370270293531.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91208689 + ... + 91223531.

It is an arithmetic number, because the mean of its divisors is an integer number (50836551102).

Almost surely, 2^{1353920720730} is an apocalyptic number.

1353920720730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1353920720730 is an abundant number, since it is smaller than the sum of its proper divisors (1899618549798).

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

1353920720730 is a wasteful number, since it uses less digits than its factorization.

1353920720730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18511.

The product of its (nonzero) digits is 238140, while the sum is 42.

The spelling of 1353920720730 in words is "one trillion, three hundred fifty-three billion, nine hundred twenty million, seven hundred twenty thousand, seven hundred thirty".