1353920780730 has 64 divisors (see below), whose sum is σ = 3764482714368. Its totient is φ = 305228321280.

The previous prime is 1353920780713. The next prime is 1353920780731. The reversal of 1353920780730 is 370870293531.

It is a self number, because there is not a number n which added to its sum of digits gives 1353920780730.

It is not an unprimeable number, because it can be changed into a prime (1353920780731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44143861 + ... + 44174520.

It is an arithmetic number, because the mean of its divisors is an integer number (58820042412).

Almost surely, 2^{1353920780730} is an apocalyptic number.

1353920780730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1353920780730 is an abundant number, since it is smaller than the sum of its proper divisors (2410561933638).

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

1353920780730 is a wasteful number, since it uses less digits than its factorization.

1353920780730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88318471.

The product of its (nonzero) digits is 952560, while the sum is 48.

The spelling of 1353920780730 in words is "one trillion, three hundred fifty-three billion, nine hundred twenty million, seven hundred eighty thousand, seven hundred thirty".