1386274164965 has 8 divisors (see below), whose sum is σ = 1663657503768. Its totient is φ = 1108933661440.

The previous prime is 1386274164941. The next prime is 1386274165007. The reversal of 1386274164965 is 5694614726831.

It can be written as a sum of positive squares in 4 ways, for example, as 5606864641 + 1380667300324 = 74879^2 + 1175018^2 .

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

It is not a de Polignac number, because 1386274164965 - 2²⁸ = 1386005729509 is a prime.

It is a super-3 number, since 3×1386274164965³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1386274164898 and 1386274164907.

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, 10637576 + ... + 10767105.

It is an arithmetic number, because the mean of its divisors is an integer number (207957187971).

Almost surely, 2^{1386274164965} is an apocalyptic number.

It is an amenable number.

1386274164965 is a deficient number, since it is larger than the sum of its proper divisors (277383338803).

1386274164965 is a wasteful number, since it uses less digits than its factorization.

1386274164965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21417639.

The product of its digits is 52254720, while the sum is 62.

The spelling of 1386274164965 in words is "one trillion, three hundred eighty-six billion, two hundred seventy-four million, one hundred sixty-four thousand, nine hundred sixty-five".