1361746852457 has 8 divisors (see below), whose sum is σ = 1363663203336. Its totient is φ = 1359831023872.

The previous prime is 1361746852421. The next prime is 1361746852469. The reversal of 1361746852457 is 7542586471631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26575846441 + 1335171006016 = 163021^2 + 1155496^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1361746852457 - 2¹⁰ = 1361746851433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1361746852396 and 1361746852405.

It is not an unprimeable number, because it can be changed into a prime (1361746852157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5242583 + ... + 5496195.

It is an arithmetic number, because the mean of its divisors is an integer number (170457900417).

Almost surely, 2^{1361746852457} is an apocalyptic number.

It is an amenable number.

1361746852457 is a deficient number, since it is larger than the sum of its proper divisors (1916350879).

1361746852457 is an equidigital number, since it uses as much as digits as its factorization.

1361746852457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261147.

The product of its digits is 33868800, while the sum is 59.

The spelling of 1361746852457 in words is "one trillion, three hundred sixty-one billion, seven hundred forty-six million, eight hundred fifty-two thousand, four hundred fifty-seven".