1254320734313 has 4 divisors (see below), whose sum is σ = 1254839694420. Its totient is φ = 1253801774208.

The previous prime is 1254320734291. The next prime is 1254320734339. The reversal of 1254320734313 is 3134370234521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 918890953744 + 335429780569 = 958588^2 + 579163^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254320734313 - 2³⁰ = 1253246992489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254320764313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259476428 + ... + 259481261.

It is an arithmetic number, because the mean of its divisors is an integer number (313709923605).

Almost surely, 2^{1254320734313} is an apocalyptic number.

It is an amenable number.

1254320734313 is a deficient number, since it is larger than the sum of its proper divisors (518960107).

1254320734313 is an equidigital number, since it uses as much as digits as its factorization.

1254320734313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518960106.

The product of its (nonzero) digits is 181440, while the sum is 38.

Adding to 1254320734313 its reverse (3134370234521), we get a palindrome (4388690968834).

The spelling of 1254320734313 in words is "one trillion, two hundred fifty-four billion, three hundred twenty million, seven hundred thirty-four thousand, three hundred thirteen".