1393254451045 has 8 divisors (see below), whose sum is σ = 1671919718040. Its totient is φ = 1114593976320.

The previous prime is 1393254451037. The next prime is 1393254451073. The reversal of 1393254451045 is 5401544523931.

It is a Cunningham number, because it is equal to 1180362²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 99122966244 + 1294131484801 = 314838^2 + 1137599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1393254451045 - 2³ = 1393254451037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1393254450986 and 1393254451004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523980 + ... + 1749589.

It is an arithmetic number, because the mean of its divisors is an integer number (208989964755).

Almost surely, 2^{1393254451045} is an apocalyptic number.

It is an amenable number.

1393254451045 is a deficient number, since it is larger than the sum of its proper divisors (278665266995).

1393254451045 is a wasteful number, since it uses less digits than its factorization.

1393254451045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396135.

The product of its (nonzero) digits is 1296000, while the sum is 46.

Adding to 1393254451045 its reverse (5401544523931), we get a palindrome (6794798974976).

The spelling of 1393254451045 in words is "one trillion, three hundred ninety-three billion, two hundred fifty-four million, four hundred fifty-one thousand, forty-five".