1386212147645 has 32 divisors (see below), whose sum is σ = 1795183054560. Its totient is φ = 1021511715840.

The previous prime is 1386212147627. The next prime is 1386212147689. The reversal of 1386212147645 is 5467412126831.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 42249569209 + 1343962578436 = 205547^2 + 1159294^2 .

It is not a de Polignac number, because 1386212147645 - 2⁶ = 1386212147581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1386212147593 and 1386212147602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80636711 + ... + 80653899.

It is an arithmetic number, because the mean of its divisors is an integer number (56099470455).

Almost surely, 2^{1386212147645} is an apocalyptic number.

It is an amenable number.

1386212147645 is a deficient number, since it is larger than the sum of its proper divisors (408970906915).

1386212147645 is a wasteful number, since it uses less digits than its factorization.

1386212147645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19745.

The product of its digits is 1935360, while the sum is 50.

The spelling of 1386212147645 in words is "one trillion, three hundred eighty-six billion, two hundred twelve million, one hundred forty-seven thousand, six hundred forty-five".