1361874543266 has 8 divisors (see below), whose sum is σ = 2043079116624. Its totient is φ = 680848171060.

The previous prime is 1361874543259. The next prime is 1361874543283. The reversal of 1361874543266 is 6623454781631.

It is a happy number.

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

It is a super-2 number, since 2×1361874543266² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44531180 + ... + 44561751.

It is an arithmetic number, because the mean of its divisors is an integer number (255384889578).

Almost surely, 2^{1361874543266} is an apocalyptic number.

1361874543266 is a deficient number, since it is larger than the sum of its proper divisors (681204573358).

1361874543266 is an equidigital number, since it uses as much as digits as its factorization.

1361874543266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89100576.

The product of its digits is 17418240, while the sum is 56.

The spelling of 1361874543266 in words is "one trillion, three hundred sixty-one billion, eight hundred seventy-four million, five hundred forty-three thousand, two hundred sixty-six".