1354143325520 has 20 divisors (see below), whose sum is σ = 3148383232020. Its totient is φ = 541657330176.

The previous prime is 1354143325481. The next prime is 1354143325547. The reversal of 1354143325520 is 255233414531.

It can be written as a sum of positive squares in 2 ways, for example, as 889030237456 + 465113088064 = 942884^2 + 681992^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8463395705 + ... + 8463395864.

It is an arithmetic number, because the mean of its divisors is an integer number (157419161601).

Almost surely, 2^{1354143325520} is an apocalyptic number.

1354143325520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354143325520 is an abundant number, since it is smaller than the sum of its proper divisors (1794239906500).

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

1354143325520 is a wasteful number, since it uses less digits than its factorization.

1354143325520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16926791582 (or 16926791576 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1354143325520 in words is "one trillion, three hundred fifty-four billion, one hundred forty-three million, three hundred twenty-five thousand, five hundred twenty".