1386540704680 has 16 divisors (see below), whose sum is σ = 3119716585620. Its totient is φ = 554616281856.

The previous prime is 1386540704671. The next prime is 1386540704819. The reversal of 1386540704680 is 864070456831.

It can be written as a sum of positive squares in 2 ways, for example, as 1210699701124 + 175841003556 = 1100318^2 + 419334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17331758769 + ... + 17331758848.

Almost surely, 2^{1386540704680} is an apocalyptic number.

1386540704680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1386540704680 is an abundant number, since it is smaller than the sum of its proper divisors (1733175880940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1386540704680 is a wasteful number, since it uses less digits than its factorization.

1386540704680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34663517628 (or 34663517624 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 1386540704680 in words is "one trillion, three hundred eighty-six billion, five hundred forty million, seven hundred four thousand, six hundred eighty".